CN108789235B

CN108789235B - Multidirectional adjusting, positioning and assembling tool for compact sheet metal box

Info

Publication number: CN108789235B
Application number: CN201810642557.3A
Authority: CN
Inventors: 陆凯雷; 戴志杰; 孙克华; 邓礼兵; 柏广枭
Original assignee: Changzhou NR Electric Power Electronics Co Ltd
Current assignee: Changzhou NR Electric Power Electronics Co Ltd
Priority date: 2018-06-21
Filing date: 2018-06-21
Publication date: 2020-07-03
Anticipated expiration: 2038-06-21
Also published as: CN108789235A

Abstract

The invention discloses a multidirectional adjusting and positioning assembly fixture for a compact sheet metal box, which comprises an adjustable direction base and a box body assembling and positioning fixture, wherein the adjustable direction base comprises a rotating shaft base, a pitching adjusting assembly and a rotating shaft support, the rotating shaft base is provided with a first rotating shaft, the pitching adjusting assembly is arranged on the first rotating shaft of the rotating shaft base, the rotating shaft support is connected with the pitching adjusting assembly, the pitching adjusting assembly drives the rotating shaft support to rotate, and the rotating shaft support is provided with a second rotating shaft; the box body assembling and positioning clamp is arranged on a second rotating shaft of the rotating shaft support, so that the box body assembling and positioning clamp can move to rotate for 360 degrees through the second rotating shaft of the rotating shaft support. This assembly fixture makes every single move adjusting part make 360 rotations around first pivot through the pivot base, and every single move adjusting part is used for adjusting the angle of pitch of pivot support, and box assembly positioning anchor clamps use the second pivot of pivot support to make 360 rotations as the axis to realize box assembly positioning anchor clamps's multi-angle, the nimble regulation of multidimension degree.

Description

Multidirectional adjusting, positioning and assembling tool for compact sheet metal box

Technical Field

The invention relates to a multidirectional adjusting, positioning and assembling tool for a compact sheet metal box body, and belongs to the technical field of sheet metal machining.

Background

To the compact panel beating box of newly-developed, it has adopted the form of rivet pulling to connect the panel beating part of constitution panel beating box, and, the assembly positioning precision requirement of installing the product in the panel beating box is higher moreover, makes the pressure of connecting the panel beating box rivet work load big. The assembly method of the existing sheet metal box body is as follows: after the sheet metal part is held by hands, the sheet metal part is pulled and riveted and fixed. Due to the fact that assembly gaps exist between the rivets and the reserved rivet holes, trace deviation occurs after the sheet metal parts are sequentially assembled, and using effects are affected under partial conditions. Meanwhile, the whole assembly effect is considered, and the number of combined sheet metal parts is increased as much as possible during handheld assembly, so that the clamping difficulty is increased, and the assembly efficiency is influenced. At present, no technical scheme aiming at the assembly positioning of the compact sheet metal box can be introduced to solve the problems.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, the multidirectional adjusting and positioning assembly tool for the compact sheet metal box is provided, sheet metal parts are positioned and can be adjusted at multiple angles, and the positioning precision of the assembled sheet metal box is improved.

In order to solve the technical problems, the technical scheme of the invention is as follows: a multidirectional adjusting, positioning and assembling tool for a compact sheet metal box body comprises an adjustable base and a box body assembling and positioning clamp,

the direction-adjustable base comprises a rotating shaft base, a pitching adjusting assembly and a rotating shaft support, the rotating shaft base is provided with a first rotating shaft, the pitching adjusting assembly is mounted on the first rotating shaft of the rotating shaft base, the pitching adjusting assembly is driven by the first rotating shaft to rotate for 360 degrees, the rotating shaft support is connected with the pitching adjusting assembly, the pitching adjusting assembly drives the rotating shaft support to rotate so as to adjust the pitch angle of the position of the rotating shaft support, and the rotating shaft support is provided with a second rotating shaft;

the box positioning jig is used for positioning and clamping each sheet metal part forming the sheet metal box body, and the box positioning jig is installed on a second rotating shaft of the rotating shaft support, so that the box positioning jig is moved by 360 degrees through the second rotating shaft of the rotating shaft support.

Further, the box body assembling and positioning clamp comprises a base, a left supporting plate, a right supporting plate, a lower supporting plate and a plurality of positioning plates, wherein the left supporting plate, the right supporting plate, the lower supporting plate and the plurality of positioning plates are arranged on the base; the positioning plate is used for simulating the shape and the position of a device arranged in the sheet metal box body.

Furthermore, the pitching adjusting assembly is fixedly connected to the first rotating shaft and rotates by 360 degrees in a semi-limiting mode by taking the first rotating shaft as an axis.

Further, the pivot base passes through the bearing and supports first pivot, be equipped with the keyway on the first pivot, install spring plunger on the pivot base, spring plunger and the epaxial keyway cooperation of first pivot, when first pivot is rotatory to spring plunger alignment keyway, spring plunger blocks the keyway.

Furthermore, the box body assembling and positioning clamp is fixedly connected to the second rotating shaft and rotates by 360 degrees in a semi-limiting mode by taking the second rotating shaft as an axis.

Further, the pivot support passes through the bearing and supports the second pivot, be equipped with the keyway in the second pivot, install spring plunger on the pivot support, spring plunger and the epaxial keyway cooperation of second pivot, when the second pivot is rotatory to spring plunger alignment keyway, spring plunger blocks the keyway.

Further, the keyway on the first pivot evenly sets up four along the circumference of first pivot, the epaxial keyway of second pivot evenly sets up four along the circumference of second pivot, and the spring plunger evenly is provided with two along the lateral wall of pivot base or pivot support to make first pivot or second pivot every rotatory 90, spring plunger card goes into the keyway.

Furthermore, every single move adjusting part includes connecting seat and a set of intermeshing's flank dish, is provided with the tooth on the flank dish, and two flank dishes can 360 relative rotations through the intertooth meshing, the pivot support links firmly on one of them flank dish, and another flank dish links firmly on the connecting seat, the connecting seat links firmly with first pivot.

Further, the set of intermeshing toothed discs are meshed with 36 sets of trapezoidal teeth thereon.

Furthermore, the tooth surface plate fixedly connected with the rotating shaft support is provided with a rotating arm, the rotating shaft support is fixedly connected onto the rotating arm, and a second rotating shaft of the rotating shaft support is perpendicular to the rotating arm.

After the technical scheme is adopted, the invention has the following beneficial effects:

1) the assembly tool is used for positioning and clamping each sheet metal part forming the sheet metal box body during sheet metal box body rivet operation;

2) the assembly fixture enables the pitching adjusting assembly to rotate 360 degrees around the first rotating shaft through the rotating shaft base, the pitching adjusting assembly is used for adjusting the pitching angle of the rotating shaft support, and the box body assembly positioning fixture rotates 360 degrees by taking the second rotating shaft of the rotating shaft support as an axis, so that the multi-angle and multi-dimensional flexible adjustment of the box body assembly positioning fixture is realized;

3) the left support plate, the right support plate and the lower support plate are used for clamping and fixing the sheet metal parts, and the sheet metal parts are subjected to rivet pulling operation after the sheet metal parts are accurately positioned by the left support plate, the right support plate and the lower support plate, so that the accumulated error of the original assembled functional area is reduced to +/-0.1 mm from +/-0.5 mm on the basis that the assembled sheet metal box body meets the design functional requirements, the appearance of the assembled product is consistent, and the accumulated error of the original assembled appearance is reduced to +/-0.2 mm from +/-1.0 mm;

4) the direction-adjustable base can realize 360-degree adjustment in three dimensions through the two groups of rotating shafts and the one group of tooth face discs, an operator can conveniently and quickly adjust to a proper angle during clamping and assembling operation, and the labor difficulty and the strength of the assembling operation are reduced.

Drawings

FIG. 1 is a front view of a multidirectional adjusting, positioning and assembling tool for a compact sheet metal box body according to the present invention;

FIG. 2 is a left side view of the multidirectional adjusting, positioning and assembling tool for the compact sheet metal box body of the invention;

FIG. 3 is a cross-sectional view of a spindle base of the present invention;

fig. 4 is a schematic view of the construction of the pitch adjustment assembly of the present invention (with one of the face plates omitted).

Detailed Description

In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.

As shown in figure 1, the multidirectional adjusting, positioning and assembling tool for the compact sheet metal box body comprises an adjustable base and a box body assembling and positioning clamp,

the direction-adjustable base comprises a rotating shaft base 3, a pitching adjusting component 4 and a rotating shaft support 2, the rotating shaft base 3 is provided with a first rotating shaft 3-1, the pitching adjusting component 4 is installed on the first rotating shaft 3-1 of the rotating shaft base 3, the pitching adjusting component 4 is driven by the first rotating shaft 3-1 to rotate for 360 degrees, the rotating shaft support 2 is connected with the pitching adjusting component 4, the pitching adjusting component 4 drives the rotating shaft support 2 to rotate in a vertical plane so as to adjust the pitching angle of the position of the rotating shaft support 2, and the rotating shaft support 2 is provided with a second rotating shaft 2-1; the vertical plane is a plane perpendicular to the horizontal plane, and the parts of the first rotating shaft and the pitching adjusting assembly 4 which drive the rotating shaft support to rotate are both positioned in the vertical plane;

the box body assembly positioning fixture 1 is used for positioning and clamping each sheet metal part forming a sheet metal box body, the box body assembly positioning fixture 1 is installed on a second rotating shaft 2-1 of a rotating shaft support 2, and the box body assembly positioning fixture 1 and the rotating shaft support 2 are connected through screws, so that the box body assembly positioning fixture 1 is driven to rotate by 360 degrees through the second rotating shaft 2-1 of the rotating shaft support 2.

The assembling tool is used for positioning and clamping each sheet metal part forming the sheet metal box body during sheet metal box body rivet operation. This assembly fixture makes every single move adjusting part 4 make 360 rotations around first pivot through the pivot base, and every single move adjusting part 4 is used for adjusting the angle of pitch of pivot support 2, and box positioning jig 1 uses the second pivot of pivot support 2 to make 360 rotations as the axis to realize the nimble regulation of multi-angle, the multidimension degree of box positioning jig 1.

In this embodiment, as shown in fig. 2, the box body assembling and positioning fixture 1 includes a base 1-4, and a left support plate 1-5, a right support plate 1-1, a lower support plate 1-3 and a plurality of positioning plates 1-2 mounted on the base 1-4, sheet metal parts are clamped and fixed by the left support plate, the right support plate and the lower support plate 1-3, a space enclosed by the left support plate 1-5, the right support plate 1-1 and the lower support plate 1-3 is consistent with the shape of a sheet metal box body to be assembled, clamping claws may be disposed on the left support plate, the right support plate and the lower support plate, and each sheet metal part or the whole sheet metal box body is clamped and fixed by the clamping claws, and certainly, the left support plate, the right support plate and the lower support plate may also clamp the sheet metal parts or the whole; two positioning plates 1-2 are arranged, and the positioning plates 1-2 are used for simulating the shapes and positions of devices installed in the sheet metal box body. During the concrete operation, can make the locating plate simulation box inner member utilizes the guide rail slot on the interior upper and lower guide rail plate of compact sheet metal box to carry out functional location to the box, the inside installation size of guarantee assembly back box.

The upper parts of the left support plate 1-5, the right support plate 1-1 and the lower support plate 1-3 can be provided with guide surfaces, and according to the requirements of the overall dimension of the sheet metal box body, each sheet metal part can be positioned and clamped during assembly, and meanwhile, the guide surfaces can play a role in guiding during clamping.

The base 1-4 supports the left support plate 1-5, the right support plate 1-1, the positioning plate 1-2 and the lower support plate 1-3 through the positioning piece and the fixing piece with high precision. And moreover, the base 1-4 is provided with lightening holes, so that the overall weight of the box body assembling and positioning clamp 1 is reduced, and the moment of inertia is reduced. The box body assembling and positioning clamp 1 effectively ensures the shape and position size of the compact sheet metal box body, improves the positioning precision during the assembly of sheet metal parts, ensures the contact ratio of rivet holes, reduces the difficulty of rivet pulling assembly operation, and reduces the operation duration.

The pitching adjusting component 4 is fixedly connected to the first rotating shaft 3-1 and rotates within 360 degrees in a semi-limiting mode by taking the first rotating shaft 3-1 as an axis. Now, the half-limit rotation will be explained: the semi-limiting rotation means that the first rotating shaft or the second rotating shaft can rotate 360 degrees, has a certain limiting function at certain specific positions, and can rotate freely after the limiting is released.

In order to realize the semi-limited rotation of the first rotating shaft 3-1, as shown in fig. 3, the rotating shaft base 3 supports the first rotating shaft 3-1 through a bearing 3-2, a key groove 3-4 is formed in the first rotating shaft 3-1, a spring plunger 3-3 is installed on the rotating shaft base 3, the spring plunger 3-3 is matched with the key groove 3-4 in the first rotating shaft 3-1, and when the first rotating shaft 3-1 rotates until the spring plunger 3-3 aligns with the key groove, the spring plunger 3-3 blocks the key groove. The spring plunger 3-3 comprises a steel ball and a spring, when the steel ball is opposite to the key slot, the steel ball is jacked into the key slot 3-4 on the first rotating shaft 3-1 by the spring to clamp the key slot 3-4, and the first rotating shaft is limited. If the limit is to be released, a force larger than the normal rotation force is applied to enable the steel ball to compress the spring and slide out of the key groove 3-4, and in this state, the first rotating shaft 3-1 can rotate freely.

Similarly, the box body assembling and positioning clamp 1 is fixedly connected to the second rotating shaft 2-1 and rotates by 360 degrees in a semi-limiting mode by taking the second rotating shaft 2-1 as an axis. The structure of the semi-limit rotation of the second rotating shaft is the same as that of the semi-limit rotation of the first rotating shaft.

In order to realize the semi-limiting rotation of the second rotating shaft, the rotating shaft support 2 supports the second rotating shaft 2-1 through a bearing, a key groove is formed in the second rotating shaft 2-1, a spring plunger is installed on the rotating shaft support 2 and matched with the key groove in the second rotating shaft 2-1, and when the second rotating shaft 2-1 rotates to enable the spring plunger to be aligned with the key groove, the spring plunger blocks the key groove. The structure of the spring plunger and the key groove on the second rotating shaft is completely the same as that of the spring plunger and the key groove on the first rotating shaft. And the spring plunger comprises a steel ball and a spring, and when the steel ball is just opposite to the key groove on the second rotating shaft 2-1, the steel ball is jacked into the key groove on the second rotating shaft by the spring to clamp the key groove so as to limit the second rotating shaft. If the limit is to be released, a force larger than the normal rotation force is applied to enable the steel ball to compress the spring and slide out of the key groove, and in this state, the second rotating shaft 2-1 can rotate freely.

Preferably, the number of the key slots 3-4 in the first rotating shaft 3-1 is four along the circumference of the first rotating shaft 3-1, the number of the key slots in the second rotating shaft 2-1 is four along the circumference of the second rotating shaft 2-1, and the number of the spring plungers is two along the side wall of the rotating shaft base 3 or the rotating shaft support 2, so that the first rotating shaft 3-1 rotates 90 degrees every time, the spring plungers are clamped into the key slots 3-4, the second rotating shaft 2-1 rotates 90 degrees every time, and the spring plungers are clamped into the key slots in the second rotating shaft. Through the semi-limiting rotation of the first rotating shaft and the second rotating shaft, the box body assembling and positioning clamp 1 can be rapidly adjusted to a working surface to be operated during the rivet assembly operation, and redundant adjusting and supporting processes are reduced.

In order to facilitate the adjustment of the pitch angle of the working area according to the individual requirements of different operators during the assembling operation, the pitch adjusting assembly 4 comprises a connecting seat 4-1 and a group of meshed toothed discs 4-2, wherein the toothed discs 4-2 are provided with teeth, the teeth of the toothed discs 4-2 can be arranged on the side surfaces of the toothed discs, as shown in fig. 4, the teeth of the two toothed discs 4-2 are positioned on the side surfaces, the two toothed discs 4-2 can rotate 360 degrees relatively through the meshing between the teeth, and the two toothed discs are connected through bolts and can rotate relatively; the teeth of the toothed surface plates can also be arranged on the side surfaces of the toothed surface plates, wherein the inner side surface of the first toothed surface plate is provided with teeth, the outer side surface of the second toothed surface plate is provided with teeth, the teeth and the inner side surface form a pair of male and female toothed surface plates, the second toothed surface plate is positioned in the first toothed surface plate, and the second toothed surface plate and the first toothed surface plate can rotate relative to each other by 360 degrees through the meshing between the teeth, and the situation is not shown in the figure;

the rotating shaft support 2 is fixedly connected to any one of the tooth face discs 4-2, the rotating shaft support rotates along with the tooth face disc so as to adjust the pitch angle of the rotating shaft support 2, and the other tooth face disc is fixedly connected to the connecting seat through a bolt; the connecting seat 4-1 is fixedly connected with the first rotating shaft 3-1, as shown in fig. 1.

In this embodiment, the set of intermeshing toothed discs 4-2 are meshed with 36 sets of trapezoidal teeth thereon.

The tooth surface plate fixedly connected with the rotating shaft support 2 is provided with a rotating arm, the rotating shaft support 2 is fixedly connected with the rotating arm, and a second rotating shaft 2-1 of the rotating shaft support 2 is perpendicular to the rotating arm so as to meet the requirements of different operators on the operation angle.

The sheet metal part to be assembled is placed on the box body assembling and positioning clamp 1, the sheet metal part is clamped and fixed by the left support plate, the right support plate and the lower support plate 1-3, and the space enclosed by the left support plate 1-5, the right support plate 1-1 and the lower support plate 1-3 is consistent with the shape of the sheet metal box body to be assembled, so that the sheet metal part is subjected to rivet pulling operation after the sheet metal part is accurately positioned by the left support plate, the right support plate and the lower support plate, the accumulated error of an original assembled functional area is reduced to +/-0.1 mm from +/-0.5 mm on the basis of meeting the design function requirement of the assembled sheet metal box body, the appearance of an assembled product is ensured to be consistent, and the accumulated error of the original assembled appearance is reduced to +/-0.2 mm from +/-1.0 mm.

The direction-adjustable base can realize 360-degree adjustment in three dimensions through the two groups of rotating shafts and the one group of tooth face discs, an operator can conveniently and quickly adjust to a proper angle during clamping and assembling operation, and the labor difficulty and the strength of the assembling operation are reduced. The two sets of rotating shafts are combined through the key grooves and the spring plungers to realize semi-limiting rotation, and the key grooves and the spring plungers are matched once when the rotating shafts rotate by 90 degrees, so that the rotating shafts are limited once.

The above embodiments are described in further detail to solve the technical problems, technical solutions and advantages of the present invention, and it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a multidirectional regulation positioning assembly frock for compact panel beating box which characterized in that: comprises an adjustable direction base and a box body assembling and positioning clamp,

the direction-adjustable base comprises a rotating shaft base (3), a pitching adjusting assembly (4) and a rotating shaft support (2), the rotating shaft base (3) is provided with a first rotating shaft (3-1), the pitching adjusting assembly (4) is installed on the first rotating shaft (3-1) of the rotating shaft base (3), the pitching adjusting assembly (4) is driven by the first rotating shaft (3-1) to rotate for 360 degrees, the rotating shaft support (2) is connected with the pitching adjusting assembly (4), the pitching adjusting assembly (4) drives the rotating shaft support (2) to rotate so as to adjust the pitching angle of the position of the rotating shaft support (2), and the rotating shaft support (2) is provided with a second rotating shaft (2-1);

the pitching adjusting assembly (4) comprises a connecting seat (4-1) and two mutually meshed toothed discs (4-2), wherein teeth are arranged on the toothed discs (4-2), the two toothed discs (4-2) can rotate for 360 degrees relatively through inter-tooth meshing, the rotating shaft support (2) is fixedly connected to one toothed disc (4-2), the other toothed disc is fixedly connected to the connecting seat (4-1), and the connecting seat (4-1) is fixedly connected with a first rotating shaft (3-1);

the box body assembling and positioning clamp (1) is used for positioning and clamping each sheet metal part forming the sheet metal box body, and the box body assembling and positioning clamp (1) is installed on a second rotating shaft (2-1) of the rotating shaft support (2) so that the box body assembling and positioning clamp (1) can rotate 360 degrees under the action of the second rotating shaft (2-1) of the rotating shaft support (2);

the box body assembling and positioning clamp (1) comprises a base (1-4), a left supporting plate (1-5), a right supporting plate (1-1), a lower supporting plate (1-3) and a plurality of positioning plates (1-2), wherein the left supporting plate (1-5), the right supporting plate (1-1), the lower supporting plate (1-3) and the plurality of positioning plates (1-2) are arranged on the base (1-4), sheet metal parts are clamped and fixed by the left supporting plate, the right supporting plate and the lower supporting plate (1-3), and the space defined by the left supporting plate (1-5), the right supporting plate (1-1) and the lower supporting plate (; the positioning plate (1-2) is used for simulating the shape and position of a device arranged in the sheet metal box body.

2. The multidirectional adjusting, positioning and assembling tool for the compact sheet metal box body as claimed in claim 1, and is characterized in that: the pitching adjusting assembly is fixedly connected to the first rotating shaft and rotates by 360 degrees in a semi-limiting mode by taking the first rotating shaft as an axis.

3. The multidirectional adjusting, positioning and assembling tool for the compact sheet metal box body as claimed in claim 2, and is characterized in that: the rotating shaft base (3) supports the first rotating shaft (3-1) through a bearing (3-2), a key groove is formed in the first rotating shaft (3-1), a spring plunger (3-3) is installed on the rotating shaft base (3), the spring plunger (3-3) is matched with the key groove in the first rotating shaft (3-1), and when the first rotating shaft (3-1) rotates to the position where the spring plunger (3-3) is aligned with the key groove, the spring plunger (3-3) blocks the key groove.

4. The multidirectional adjusting, positioning and assembling tool for the compact sheet metal box body as claimed in claim 3, and is characterized in that: the box body assembling and positioning clamp (1) is fixedly connected to the second rotating shaft (2-1) and rotates by 360 degrees in a semi-limiting mode by taking the second rotating shaft (2-1) as an axis.

5. The multidirectional adjusting, positioning and assembling tool for the compact sheet metal box body as claimed in claim 4, and is characterized in that: the rotating shaft support (2) supports the second rotating shaft (2-1) through a bearing, a key groove is formed in the second rotating shaft (2-1), a spring plunger is installed on the rotating shaft support (2) and matched with the key groove in the second rotating shaft (2-1), and when the second rotating shaft (2-1) rotates to the position where the spring plunger is aligned with the key groove, the spring plunger blocks the key groove.

6. The multidirectional adjusting, positioning and assembling tool for the compact sheet metal box body as claimed in claim 3 or 5, and is characterized in that: the key groove on the first rotating shaft (3-1) is uniformly provided with four key grooves along the circumference of the first rotating shaft (3-1), the key groove on the second rotating shaft (2-1) is uniformly provided with four key grooves along the circumference of the second rotating shaft (2-1), and the number of the spring plungers is uniformly two along the side wall of the rotating shaft base (3) or the rotating shaft support (2), so that the first rotating shaft (3-1) or the second rotating shaft (2-1) rotates by 90 degrees every time, and the spring plungers are clamped into the key grooves.

7. The multidirectional adjusting, positioning and assembling tool for the compact sheet metal box body as claimed in claim 1, and is characterized in that: the two meshed gear face discs (4-2) are meshed through 36 groups of trapezoidal teeth on the two meshed gear face discs.

8. The multidirectional adjusting, positioning and assembling tool for the compact sheet metal box body as claimed in claim 7, and is characterized in that: the tooth surface disc fixedly connected with the rotating shaft support (2) is provided with a rotating arm, the rotating shaft support (2) is fixedly connected onto the rotating arm, and a second rotating shaft (2-1) of the rotating shaft support (2) is perpendicular to the rotating arm.