阅读说明：本技术 一种钣金件折弯压紧装置及其应用方法 (Sheet metal part bending and pressing device and application method thereof ) 是由 王诚本 黄永昌 于 2021-08-01 设计创作，主要内容包括：本发明属于折弯设备技术领域。一种钣金件折弯压紧装置,包括基座、基座上设置的楔块传动机构、楔块传动机构上设置第一、二压紧件；楔块传动机构,包括滑动配合的第一、二楔块；第二楔块与基座滑动配合；第一、二压紧件对应固接在两个第二楔块上；第一压紧件包括第一夹爪、夹爪上设置的主动转轴、主动转轴驱动装置；主动转轴上可拆卸地套接有数个圆筒形压轮；第二压紧件包括第二夹爪、第二夹爪上设置的从动转轴；主动转轴主从动转轴上可拆卸地套接有数个圆筒形压轮；第一压紧件、第二压紧件之间用于放置钣金件。本发明还公开了上述钣金件折弯压紧装置的应用方法。本发明用以解决现有技术中金属板与压轮之间打滑的技术问题。(The invention belongs to the technical field of bending equipment. A sheet metal part bending and pressing device comprises a base, a wedge block transmission mechanism arranged on the base, and a first pressing part and a second pressing part arranged on the wedge block transmission mechanism; the wedge block transmission mechanism comprises a first wedge block and a second wedge block which are in sliding fit; the second wedge block is in sliding fit with the base; the first and second pressing pieces are correspondingly and fixedly connected to the two second wedge blocks; the first pressing piece comprises a first clamping jaw, a driving rotating shaft arranged on the clamping jaw and a driving rotating shaft driving device; a plurality of cylindrical pinch rollers are detachably sleeved on the driving rotating shaft; the second pressing piece comprises a second clamping jaw and a driven rotating shaft arranged on the second clamping jaw; a plurality of cylindrical pinch rollers are detachably sleeved on the driving rotating shaft and the driven rotating shaft; the first pressing part and the second pressing part are used for placing sheet metal parts. The invention also discloses an application method of the sheet metal part bending and pressing device. The invention is used for solving the technical problem of slippage between the metal plate and the pinch roller in the prior art.)

1. A sheet metal part bending and pressing device is characterized by comprising a base, a wedge block transmission mechanism arranged on the base, and a first pressing piece and a second pressing piece arranged on the wedge block transmission mechanism;

the wedge block transmission mechanism comprises a first wedge block and second wedge blocks arranged on two sides of the first wedge block; the corresponding wedge surfaces of the first wedge block and the second wedge block are in sliding fit; the second wedge block is in sliding fit with the base and can perform linear motion along the length direction of the base; the first wedge block can perform linear motion along the width direction of the base;

the first and second pressing pieces are correspondingly and fixedly connected to the two second wedge blocks;

the first pressing piece comprises a first clamping jaw, a driving rotating shaft arranged on the clamping jaw and a driving rotating shaft driving device; a plurality of cylindrical pinch rollers are detachably sleeved on the driving rotating shaft;

the second pressing piece comprises a second clamping jaw and a driven rotating shaft arranged on the second clamping jaw; the second clamping jaw is arranged in parallel with the first clamping jaw, and the driving rotating shaft is arranged in parallel with the driven rotating shaft; a plurality of cylindrical pinch rollers are detachably sleeved on the driving rotating shaft and the driven rotating shaft;

the sheet metal part is placed between the first pressing part and the second pressing part;

the first wedge block driving device drives the first wedge block to move along the width direction of the base, and then drives the two second wedge blocks to move oppositely along the length direction of the base, so that the cylindrical pressing wheel of the first pressing piece, the sheet metal part and the cylindrical pressing wheel of the second pressing piece are in compression fit.

2. The sheet metal part bending and pressing device according to claim 1, wherein a first sliding block is arranged on a wedge surface of the first wedge block, a first sliding groove is arranged on a wedge surface of the second wedge block, and the first sliding block is slidably arranged in the second sliding groove.

3. The sheet metal part bending and pressing device according to claim 1, wherein second sliding blocks are arranged at the top and the bottom of the second wedge block, second sliding grooves are formed in the inner wall of the base, and the second sliding blocks are slidably arranged in the corresponding second sliding grooves.

4. The sheet metal part bending and compressing device according to claim 1, wherein the first wedge block driving device comprises a telescopic rod and a telescopic rod driving device, the telescopic rod driving device is arranged on the base, the telescopic rod is fixedly connected with the second wedge block, and the telescopic rod driving device drives the telescopic rod to perform telescopic motion along the width direction of the base.

5. The sheet metal part bending and pressing device according to claim 1, wherein the driving rotating shaft and the driven rotating shaft are arranged on respective bearing seats through bearings, and a driving rotating shaft driving device is arranged on the bearing seat of the driving rotating shaft.

6. The sheet metal part bending and pressing device according to claim 2, wherein the first sliding block is of a dovetail structure, and the second sliding groove is of a dovetail groove.

7. The sheet metal part bending and pressing device according to claim 3, wherein the second sliding block is a rectangular cuboid; the second sliding groove is a rectangular groove.

8. The application method of the sheet metal part bending and pressing device of claim 1, characterized by comprising the following steps:

(1) the first wedge block driving device drives the first wedge block to move along the width direction of the base, and further drives the two second wedge blocks to move oppositely along the length direction of the base, so that the cylindrical pressing wheel of the first pressing piece, the sheet metal part and the cylindrical pressing wheel on the second pressing piece are in pressing fit;

(2) the driving rotating shaft driving device drives the driving rotating shaft to drive the pressing wheel on the driving rotating shaft to rotate, so that the metal plate is driven to move forwards through friction force; when the metal plate advances, the driven rotating shaft is driven to rotate by friction force;

(3) when the cylindrical pressing wheel of the first pressing part, the sheet metal part and the cylinder on the second pressing part slip, repeating the step (1) to ensure that the cylindrical pressing wheel of the first pressing part, the sheet metal part and the cylindrical pressing wheel on the second pressing part form a pressing fit; and (4) repeating the step (2).

9. The method of applying the sheet metal part bending and pressing device of claim 8 and 1, wherein the method further comprises the steps of: before step (1), the first wedge block is driven by the first wedge block driving device to move along the width direction of the base, and then the two second wedge blocks are driven to move oppositely or oppositely along the length direction of the base, so that the requirements of sheet metal parts with different thicknesses are met.

Technical Field

The invention belongs to the technical field of bending, and particularly relates to a sheet metal part bending and pressing device.

Background

Chinese patent application publication No. CN102189153A, published 2011, 09/21 discloses a pressing device for a metal plate bending machine, which comprises a base plate connected with the metal plate bending machine, and a driving rotating shaft and a driven rotating shaft which are parallel to each other are arranged on the base plate. The driving rotating shaft and the driven rotating shaft are arranged on respective bearing seats through bearings. The two ends of the driving rotating shaft and the driven rotating shaft are respectively arranged on the bearings above and below the respective bearing seat. A motor for driving the driving rotating shaft to rotate is arranged below the bearing seat of the driving rotating shaft. And a decoder for detecting the rotating speed of the driven rotating shaft is arranged on a bearing seat of the driven rotating shaft. The base plate is fixedly connected with a sliding rail, a bearing seat of the driven rotating shaft is movably arranged on the sliding rail through a sliding block, and the driven rotating shaft can move towards the driving rotating shaft along the sliding rail under the driving of the air cylinder. The driving rotating shaft and the driven rotating shaft are sleeved with a plurality of annular pinch rollers made of plastics. By adopting the pressing device with the structure, firstly, the driven rotating shaft cannot be locked, and the pressing cannot be really realized; secondly, after long-term use, the gap between the driven shaft and the driving shaft becomes large, and the slipping phenomenon can occur.

Disclosure of Invention

The invention aims to provide a sheet metal part bending and pressing device which is used for solving the technical problem of slippage between a metal plate and a pressing wheel in the prior art.

In order to solve the technical problem, the invention adopts the following technical scheme that the sheet metal part bending and pressing device comprises a base, a wedge block transmission mechanism arranged on the base, and a first pressing part and a second pressing part which are arranged on the wedge block transmission mechanism;

the wedge block transmission mechanism comprises a first wedge block and second wedge blocks arranged on two sides of the first wedge block; the corresponding wedge surfaces of the first wedge block and the second wedge block are in sliding fit; the second wedge block is in sliding fit with the base and can perform linear motion along the length direction of the base; the first wedge block can perform linear motion along the width direction of the base;

the first and second pressing pieces are correspondingly and fixedly connected to the two second wedge blocks;

the first pressing piece comprises a first clamping jaw, a driving rotating shaft arranged on the clamping jaw and a driving rotating shaft driving device; a plurality of cylindrical pinch rollers are detachably sleeved on the driving rotating shaft;

the second pressing piece comprises a second clamping jaw and a driven rotating shaft arranged on the second clamping jaw; the second clamping jaw is arranged in parallel with the first clamping jaw, and the driving rotating shaft is arranged in parallel with the driven rotating shaft; a plurality of cylindrical pinch rollers are detachably sleeved on the driving rotating shaft and the driven rotating shaft;

the sheet metal part is placed between the first pressing part and the second pressing part;

the first wedge block driving device drives the first wedge block to move along the width direction of the base, and then drives the two second wedge blocks to move oppositely along the length direction of the base, so that the cylindrical pressing wheel of the first pressing piece, the sheet metal part and the cylindrical pressing wheel of the second pressing piece are in compression fit.

By adopting the technical scheme, the method has the following beneficial effects:

firstly, the pressing device is arranged at a position close to the bending knife, two pressing parts are synchronously controlled to move oppositely to press the sheet metal part, and power for driving the sheet metal part to move forwards is increased.

Secondly, the invention ensures that the first wedge block can realize the oblique movement of the second wedge block along the oblique wedge surface of the first wedge block under the driving of the first wedge block driving device, and adopts a more simplified structure under the action of the base, thereby realizing the multi-directional movement, and having ingenious design and good use effect.

Thirdly, the first wedge block with one wide end and one narrow end is in sliding fit with the second wedge block with one narrow end and one wide end, so that the occupied area of the first wedge block and the second wedge block is smaller, and the wedge block mechanism is more labor-saving.

In order to solve the technical problem of how to realize the sliding fit of the first wedge block and the second wedge block, the invention adopts the following technical scheme that a first sliding block is arranged on the wedge surface of the first wedge block, a first sliding groove is arranged on the wedge surface of the second wedge block, and the first sliding block is arranged in the second sliding groove in a sliding manner, so that the structure is compact, and the time and labor are saved.

In order to solve the technical problem of how to realize the sliding fit between the second wedge block and the base, the invention adopts the following technical scheme that the top and the bottom of the second wedge block are provided with second sliding blocks, the inner wall of the base is provided with second sliding grooves, and the second sliding blocks are arranged in the corresponding second sliding grooves in a sliding manner, so that the structure is compact, and the time and the labor are saved.

In order to solve the technical problem that the first wedge block driving device is compact in structure, the invention adopts the following technical scheme that the first wedge block driving device comprises a telescopic rod and a telescopic rod driving device, the telescopic rod driving device is arranged on a base, the telescopic rod is fixedly connected with the second wedge block, the telescopic rod driving device drives the telescopic rod to perform telescopic motion along the width direction of the base, and the first wedge block driving device is compact in structure and small in occupied area.

In order to solve the technical problem that the driving rotating shaft and the driven rotating shaft are compact in structure, the driving rotating shaft and the driven rotating shaft are arranged on respective bearing seats through bearings, and a driving rotating shaft driving device is arranged on the bearing seats of the driving rotating shaft, so that the driving rotating shaft driving device is compact in structure and small in occupied area.

In order to solve the technical problem of how to realize the first sliding block and the first sliding groove, the invention adopts the following technical scheme that the first sliding block is of a dovetail structure, and the first sliding groove is a dovetail groove, so that the sliding fit is ensured, and the two wedge blocks are prevented from falling off.

In order to solve the technical problem of how to implement the second sliding block and the second sliding chute, according to the technical scheme of the invention, the second sliding block is a strip-shaped square body; the second sliding groove is a rectangular groove, so that the processing is convenient and the structure is compact.

The second purpose of the invention is to provide an application method of a sheet metal part bending and pressing device, which is used for solving the technical problem of slipping in the process of guiding and applying a metal plate and a pressing wheel in the prior art.

In order to solve the technical problems, the invention adopts the following technical scheme that the application method of the sheet metal part bending and pressing device comprises the following steps:

(1) the first wedge block driving device drives the first wedge block to move along the width direction of the base, and further drives the two second wedge blocks to move oppositely along the length direction of the base, so that the cylindrical pressing wheel of the first pressing piece, the sheet metal part and the cylindrical pressing wheel on the second pressing piece are in pressing fit;

(2) the driving rotating shaft driving device drives the driving rotating shaft to drive the pressing wheel on the driving rotating shaft to rotate, so that the metal plate is driven to move forwards through friction force; when the metal plate advances, the driven rotating shaft is driven to rotate by friction force;

(3) when the cylindrical pressing wheel of the first pressing part, the sheet metal part and the cylinder on the second pressing part slip, repeating the step (1) to ensure that the cylindrical pressing wheel of the first pressing part, the sheet metal part and the cylindrical pressing wheel on the second pressing part form a pressing fit; and (4) repeating the step (2).

By adopting the technical scheme, the method has the following beneficial effects: two pressing pieces are arranged on the two clamping jaws, the distance between the two clamping jaws can be adjusted at any time through the wedge block transmission mechanism, and the technical problem that slipping is caused due to long-term use between the driving rotating shaft and the driven rotating shaft can be effectively avoided.

In order to solve the technical problem of how to meet the bending requirements of sheet metal parts with different thicknesses, the invention adopts the following technical scheme, and the application method further comprises the following steps: before step (1), the first wedge block is driven by the first wedge block driving device to move along the width direction of the base, and then the two second wedge blocks are driven to move oppositely or oppositely along the length direction of the base, so that the requirements of sheet metal parts with different thicknesses are met. Before bending, adjusting the distance between two pressing parts to a proper range according to the thickness of the sheet metal part, feeding, and then pressing to provide power for increasing the forward driving of the sheet metal part; and then according to the service time, if the phenomenon of slipping is encountered, the sheet metal part is compressed again, and the power for driving the sheet metal part to advance is ensured.

Drawings

FIG. 1 is a schematic structural diagram of a sheet metal part bending and pressing device;

FIG. 2 is a schematic structural diagram of a sheet metal part bending and pressing device (excluding pressing parts);

fig. 3 is a schematic structural diagram of the sheet metal part bending and pressing device (excluding the pressing part and the base).

Detailed Description

Example 1

A sheet metal part bending and pressing device comprises a base 1, a wedge block transmission mechanism 2 arranged on the base, and a pressing part 3 arranged on the wedge block transmission mechanism.

The wedge block transmission mechanism 2 comprises a first wedge block 21 and second wedge blocks 22 arranged on two sides of the first wedge block; the corresponding wedge surfaces of the first wedge block and the second wedge block are in sliding fit; the second wedge block is in sliding fit with the base and can perform linear motion along the length direction of the base; the first wedge block can perform linear motion along the width direction of the base.

The first slider 210 is disposed on the wedge surface of the first wedge 21, the first sliding slot 220 is disposed on the wedge surface of the second wedge 22, and the first slider 210 is slidably disposed in the second sliding slot 220. The first slider 210 is a dovetail structure, and the second runner 220 is a dovetail groove.

The top and the bottom of the second wedge block are respectively provided with a second sliding block 221 and a third sliding block 222, the top and the bottom of the inner wall of the base are provided with a second sliding groove 102 and a third sliding groove 103, the second sliding block is arranged in the corresponding second sliding groove in a sliding manner, and the third sliding block is arranged in the corresponding third sliding groove in a sliding manner. The second slider 221 and the third slider 222 are rectangular squares; the second sliding groove 102 and the third sliding groove 103 are rectangular grooves. The second chock 22 is provided with lightening holes 223.

The pressing member 3 includes a first pressing member 31 and a second pressing member 32. The first pressing member 31 and the second pressing member 32 are correspondingly fixed to the two second sprags 22.

The first pressing member 31 comprises a first clamping jaw 315, a bearing seat 310 arranged on the first clamping jaw 315, a driving rotating shaft 311 arranged on the bearing seat 310, and a driving rotating shaft driving device 314; a plurality of cylindrical pinch rollers 313 are detachably sleeved on the driving rotating shaft. The bearing seat 310 is provided with an active shaft driving device 314.

The second pressing piece 32 comprises a second clamping jaw 325, a bearing seat arranged on the first clamping jaw 315 and a driven rotating shaft 321 arranged on the bearing seat; the second clamping jaw is arranged in parallel with the first clamping jaw, and the driving rotating shaft is arranged in parallel with the driven rotating shaft; the driving rotating shaft and the driven rotating shaft are detachably sleeved with a plurality of cylindrical pinch rollers.

The sheet metal part is placed between the first pressing part 31 and the second pressing part 32.

The first wedge block driving device drives the first wedge block to move along the width direction of the base, and then drives the two second wedge blocks to move oppositely along the length direction of the base, so that the cylindrical pressing wheel of the first pressing piece, the sheet metal part and the cylindrical pressing wheel of the second pressing piece are in compression fit.

The first wedge block driving device comprises an expansion rod 42 and an expansion rod driving device 41, the expansion rod driving device is arranged on the base, the expansion rod is fixedly connected with the second wedge block, and the expansion rod driving device drives the expansion rod to perform expansion motion along the width direction of the base.

Example 2

The application method of the sheet metal part bending and pressing device comprises the following steps:

(1) the first wedge block driving device drives the first wedge block to move along the width direction of the base, and further drives the two second wedge blocks to move oppositely along the length direction of the base, so that the cylindrical pressing wheel of the first pressing piece, the sheet metal part and the cylindrical pressing wheel on the second pressing piece are in pressing fit;

(2) the driving rotating shaft driving device drives the driving rotating shaft to drive the pressing wheel on the driving rotating shaft to rotate, so that the metal plate is driven to move forwards through friction force; when the metal plate advances, the driven rotating shaft is driven to rotate by friction force;

(3) when the cylindrical pressing wheel of the first pressing part, the sheet metal part and the cylinder on the second pressing part slip, repeating the step (1) to ensure that the cylindrical pressing wheel of the first pressing part, the sheet metal part and the cylindrical pressing wheel on the second pressing part form a pressing fit; and (4) repeating the step (2).

Example 3

The application method of the sheet metal part bending and pressing device comprises the following steps:

(1) the application method further comprises the following steps: before the step (1), driving a first wedge block to move along the width direction of the base through a first wedge block driving device, and further driving two second wedge blocks to move oppositely or oppositely along the length direction of the base so as to meet the requirements of sheet metal parts with different thicknesses;

(2) the first wedge block driving device drives the first wedge block to move along the width direction of the base, and further drives the two second wedge blocks to move oppositely along the length direction of the base, so that the cylindrical pressing wheel of the first pressing piece, the sheet metal part and the cylindrical pressing wheel on the second pressing piece are in pressing fit;

(3) the driving rotating shaft driving device drives the driving rotating shaft to drive the pressing wheel on the driving rotating shaft to rotate, so that the metal plate is driven to move forwards through friction force; when the metal plate advances, the driven rotating shaft is driven to rotate by friction force;

(4) when the cylindrical pressing wheel of the first pressing part, the sheet metal part and the cylinder on the second pressing part slip, repeating the step (1) to ensure that the cylindrical pressing wheel of the first pressing part, the sheet metal part and the cylindrical pressing wheel on the second pressing part form a pressing fit; and (4) repeating the step (2).

The above embodiment is only one embodiment of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.