Pressing device

Abstract

The utility model provides a pressing device which comprises a pressing assembly, a force sensor and a servo driving part, the pressing assembly comprises a first pressing part and a second pressing part which are arranged in a spaced mode, the first pressing part is provided with a matching surface deviating from the second pressing part, and the matching surface is used for abutting against a machined part; the force sensor is fixed between the first pressing piece and the second pressing piece, the servo driving piece is connected to the second pressing piece, the servo driving piece is used for driving the pressing assembly to move close to or away from the machined piece, and the servo driving piece is further electrically connected to the force sensor. The press-fit device provided by the utility model is beneficial to improving the press-fit yield.

Description

Technical Field

[0001] The utility model relates to the technical field of pressing jigs, in particular to a pressing device. Background Art

[0002] At present, the pressing jig is usually unable to adjust the driving stroke to adjust the pressing force according to the feedback of the pressing stress, which may cause deformation of the workpiece after the pressing process. Therefore, the processing yield of the existing pressing jig is low. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art, the utility model aims to provide a pressing device which is beneficial to improving the pressing yield rate.

[0004] In order to solve the above problems, the technical solutions adopted by the utility model are as follows:

[0005] A pressing device, comprising:

[0006] The pressing assembly comprises a first pressing member and a second pressing member which are arranged at an interval, wherein the first pressing member has a mating surface which is arranged away from the second pressing member, and the mating surface is used to abut against the workpiece;

[0007] a force sensor, fixed between the first pressing member and the second pressing member; and

[0008] A servo drive is connected to the second pressing member, and the servo drive is used to drive the pressing assembly to move closer to or away from the workpiece. The servo drive is also electrically connected to the force sensor.

[0009] In some possible implementations, the following further includes:

[0010] At least two first guide posts are symmetrically spaced apart, wherein the first guide posts are oriented along the driving direction of the servo drive, and the second pressing member is slidably connected to the first guide posts, so that the servo drive drives the pressing assembly to reciprocate along the orientation direction of the first guide posts, and the first pressing member is arranged in a space enclosed by at least two of the first guide posts.

[0011] In some possible implementations, the pressing assembly further includes:

[0012] At least two second guide posts are symmetrically spaced apart, the second guide posts are protruded from the second pressing member away from the servo drive member, the second guide posts are arranged parallel to the first guide posts, and the first pressing member is slidably connected to the second guide posts.

[0013] In some possible implementations, the second pressing member includes:

[0014] A body slidably connected to the first guide post, wherein the force sensor is fixed between the body and the first pressing member; and

[0015] Two first stoppers are arranged at intervals, and are both arranged on the end surface of the body away from the first pressing member. The first stoppers are arranged in a space surrounded by at least two of the first guide pillars. The two first stoppers and the body together form a slot, and the slot has a first slot portion and a second slot portion that are connected. The body forms a bottom wall of the second slot portion, and the aperture of the second slot portion is larger than the aperture of the first slot portion.

[0016] The pressing device also includes:

[0017] The second position-limiting member is protrudingly arranged on the circumferential surface of the output shaft of the servo driver, and the second position-limiting member abuts against the second groove portion.

[0018] In some possible implementations, the mating surface is provided with an avoidance hole, and the avoidance hole is used to avoid a non-pressing area of ​​the workpiece.

[0019] In some possible implementations, the following further includes:

[0020] At least two guide cylinders, each of which is arranged on the periphery of the first guide column, and the guide cylinder includes a first cylinder portion and a second cylinder portion that are connected and stacked, the circumferential outer surface of the first cylinder portion protrudes from the circumferential outer surface of the second cylinder portion, the first cylinder portion is detachably connected to the second pressing piece by a connecting pin, and the second cylinder portion passes through the second pressing piece.

[0021] In some possible implementations, the following further includes:

[0022] A frame is installed on one end of each of the first guide columns opposite to the second pressing member, and the servo drive member is installed on the frame.

[0023] Compared with the prior art, the beneficial effects of the present invention are:

[0024] In the present application, a force sensor is added between the first pressing part and the second pressing part, and the force sensor is electrically connected to the servo driver, so that when the servo driver drives the pressing assembly to press the workpiece, the pressing stress detected by the force sensor can be fed back to the servo driver, and then the servo driver can adjust the driving stroke according to the received data, thereby avoiding the problem of low pressing yield caused by excessive pressing or excessive pressing of the pressing device. Therefore, the pressing device of the present application is conducive to improving the pressing yield.

[0025] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A schematic diagram of the structure of the pressing device provided in one embodiment of the present application;

[0027] Figure 2 for Figure 1 A schematic structural diagram of the first pressing piece is shown.

[0028] Description of Figure Numbers:

[0029] 100-pressing device; 10-pressing assembly; 11-first pressing part; 110-matching surface; 111-avoidance hole; 12-second pressing part; 121-body; 122-first limiter; 13-second guide column; 20-force sensor; 30-servo drive; 40-first guide column; 50-second limiter; 501-first groove; 502-second groove; 503-slot; 60-guide cylinder; 61-first cylinder; 62-second cylinder; 70-frame; 200-processed part. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0031] The terms "first", "second", etc. in the specification and claims of this application and the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions. It should be noted that when an element is referred to as "fixed to" another element, it can be directly on the other element or there can be a centered element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or there can be a centered element. When an element is referred to as "arranged on" another element, it can be arranged on the other element or there can be a centered element.

[0032] Reference Figure 1An embodiment of the present application provides a pressing device 100. Specifically, the pressing device 100 includes a pressing assembly 10, a force sensor 20, and a servo drive 30. The pressing assembly 10 includes a first pressing member 11 and a second pressing member 12 arranged at intervals. The first pressing member 11 has a mating surface 110 arranged away from the second pressing member 12. The mating surface 110 is used to abut against a workpiece 200. Exemplarily, the workpiece 200 may include a vehicle-mounted filter. The force sensor 20 is fixed between the first pressing member 11 and the second pressing member 12. Exemplarily, the force sensor 20 may be fixed by a connecting pin. The servo driver 30 is connected to the second pressing member 12. The servo driver 30 is used to drive the pressing assembly 10 to move closer to or away from the workpiece 200. The servo driver 30 is also electrically connected to the force sensor 20, so that the pressing force value detected by the force sensor 20 can be transmitted to the servo driver 30. The servo controller in the servo driver 30 can adjust the driving stroke of the servo driver 30 accordingly, so as to avoid the pressing assembly 10 applying too much force to cause the workpiece 200 to deform, and to avoid the pressing assembly 10 applying too little force to cause poor bonding between the upper and lower covers of the workpiece 200. Exemplarily, the servo driver 30 can be electrically connected to the force sensor 20 wirelessly or wiredly. Exemplarily, the servo driver 30 can include a servo motor, a servo cylinder, or a servo hydraulic cylinder.

[0033] In the present application, a force sensor 20 is additionally provided between the first pressing part 11 and the second pressing part 12, and the force sensor 20 is electrically connected to the servo driver 30, so that when the servo driver 30 drives the pressing assembly 10 to press the workpiece 200, the pressing stress detected by the force sensor 20 can be fed back to the servo driver 30, and then the servo driver 30 can adjust the driving stroke according to the received data, thereby avoiding the problem of low pressing yield caused by the pressing device 100 pressing too hard or too lightly. Therefore, the pressing device 100 of the present application is conducive to improving the pressing yield.

[0034] In some embodiments, the laminating device 100 further includes at least two first guide posts 40 (four first guide posts 40 are shown in the figure) symmetrically spaced apart, the first guide posts 40 are oriented and arranged along the driving direction of the servo driver 30, and the second laminating member 12 is slidably connected to the first guide posts 40, so that the servo driver 30 drives the laminating assembly 10 to reciprocate along the orientation direction of the first guide posts 40. In this embodiment, the first guide posts 40 pass through the second laminating member 12, and the first laminating member 11 is arranged in a space surrounded by at least two first guide posts 40. The first guide posts 40 are conducive to improving the directional laminating stability of the laminating device 100.

[0035] In some embodiments, the pressing assembly 10 further includes at least two second guide posts 13 (four second guide posts 13 are shown in the figure) symmetrically spaced apart, the second guide posts 13 are convexly disposed on the second pressing member 12 away from the servo drive member 30, the second guide posts 13 are disposed parallel to the first guide posts 40, the first pressing member 11 is slidably connected to the second guide posts 13, and illustratively, the second guide posts 13 pass through the first pressing member 11. The second guide posts 13 are conducive to improving the positioning accuracy of the first pressing member 11.

[0036] In some embodiments, the second pressing member 12 includes a body 121 and two first stoppers 122 arranged at intervals, the body 121 is slidably connected to the first guide column 40, the force sensor 20 is fixed between the body 121 and the first pressing member 11, the two first stoppers 122 are both arranged on the end surface of the body 121 away from the first pressing member 11, the first stoppers 122 are arranged in a space surrounded by at least two first guide columns 40, the two first stoppers 122 and the body 121 together form a slot 503, the slot 503 has a first slot portion 501 and a second slot portion 502 connected, the body 121 forms the bottom wall of the second slot portion 502, and the aperture of the second slot portion 502 is larger than the aperture of the first slot portion 501. The pressing device 100 also includes a second stopper 50, the second stopper 50 is convexly arranged on the circumferential surface of the output shaft of the servo driver 30, and the second stopper 50 abuts against the second slot portion 502. The servo drive component 30 is connected by engaging with the second pressing component 12 through the second limit component 50, which is beneficial to fine-tune the connection gap between the first guide column 40 and the second pressing component 12, thereby preventing the first guide column 40 and the second pressing component 12 from locking, and further beneficial to improving the pressing smoothness of the pressing device 100.

[0037] In some embodiments, the pressing device 100 further includes at least two guide cylinders 60, each of which is disposed on the periphery of a first guide column 40, and the guide cylinder 60 includes a first cylinder portion 61 and a second cylinder portion 62 which are connected and stacked, and the circumferential outer surface of the first cylinder portion 61 is convexly disposed on the circumferential outer surface of the second cylinder portion 62, and the first cylinder portion 61 is detachably connected to the second pressing member 12 through a connecting nail, specifically, the first cylinder portion 61 is detachably connected to the body 121 of the second pressing member 12 through a connecting nail, and the second cylinder portion 62 passes through the second pressing member 12, specifically, the second cylinder portion 62 passes through the body 121 of the second pressing member 12. The guide cylinder 60 is conducive to reducing the sliding wear of the second pressing member 12, and the detachable guide cylinder 60 is also convenient for replacing parts after wear.

[0038] In some embodiments, the pressing device 100 further includes a frame 70, which is mounted on one end of each first guide column 40 relative to the second pressing member 12. For example, the frame 70 and the first guide column 40 can be fixed by connecting nails. The servo drive member 30 can be installed on the frame 70 by connecting nails. Installing the servo drive member 30 with the frame 70 fixed to the first guide column 40 is conducive to improving the assembly of the pressing device 100, thereby improving the convenience of movement of the pressing device 100.

[0039] In some embodiments, reference Figure 2 The mating surface 110 is provided with an avoidance hole 111, and the avoidance hole 111 is used to avoid the non-pressing area of ​​the workpiece 200, so as to improve the press-fitting performance of the press-fitting device 100. The avoidance hole 111 can be a blind hole or a through hole.

[0040] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A pressing device, characterized in that: include: The pressing assembly comprises a first pressing member and a second pressing member which are arranged at an interval, wherein the first pressing member has a mating surface which is arranged away from the second pressing member, and the mating surface is used to abut against the workpiece; A force sensor, fixed between the first pressing member and the second pressing member; as well as A servo drive is connected to the second pressing member, and the servo drive is used to drive the pressing assembly to move closer to or away from the workpiece. The servo drive is also electrically connected to the force sensor.

2. The pressing device according to claim 1, characterized in that: Also includes: At least two first guide posts are symmetrically spaced apart, wherein the first guide posts are oriented along the driving direction of the servo drive, and the second pressing member is slidably connected to the first guide posts, so that the servo drive drives the pressing assembly to reciprocate along the orientation direction of the first guide posts, and the first pressing member is arranged in a space enclosed by at least two of the first guide posts.

3. The pressing device according to claim 2, characterized in that: The pressing assembly also includes: At least two second guide posts are symmetrically spaced apart, the second guide posts are protruded from the second pressing member away from the servo drive member, the second guide posts are arranged parallel to the first guide posts, and the first pressing member is slidably connected to the second guide posts.

4. The pressing device according to claim 2, characterized in that: The second pressing member comprises: A body slidably connected to the first guide post, wherein the force sensor is fixed between the body and the first pressing member; and Two first stoppers are arranged at intervals, and are both arranged on the end surface of the body away from the first pressing member. The first stoppers are arranged in a space surrounded by at least two of the first guide pillars. The two first stoppers and the body together form a slot, and the slot has a first slot portion and a second slot portion that are connected. The body forms a bottom wall of the second slot portion, and the aperture of the second slot portion is larger than the aperture of the first slot portion. The pressing device also includes: The second position-limiting member is protrudingly arranged on the circumferential surface of the output shaft of the servo driver, and the second position-limiting member abuts against the second groove portion.

5. The pressing device according to claim 1, characterized in that: The matching surface is provided with an avoidance hole, and the avoidance hole is used to avoid the non-pressing area of ​​the workpiece.

6. The pressing device according to claim 2, characterized in that: Also includes: At least two guide cylinders, each of which is arranged on the periphery of the first guide column, and the guide cylinder includes a first cylinder portion and a second cylinder portion that are connected and stacked, the circumferential outer surface of the first cylinder portion protrudes from the circumferential outer surface of the second cylinder portion, the first cylinder portion is detachably connected to the second pressing piece by a connecting pin, and the second cylinder portion passes through the second pressing piece.

7. The pressing device according to claim 2, characterized in that: Also includes: A frame is installed on one end of each of the first guide columns opposite to the second pressing member, and the servo drive member is installed on the frame.

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