Circumferential clamping groove one-time forming device

Abstract

Provided is a circumferential clamping groove one-time forming device. The problems that a clamping groove in the outer wall of a cylinder body of an existing internal breathing piston type spring brake chamber is troublesome to machine, and the working efficiency is not high are mainly solved. The outer dies (21) are driven by a first power source (91), are telescopically arranged on the platform in the radial direction of the workpiece, and comprise punches (211) for forming; the inner die assembly (22) is at least partially arranged in an inner cavity of a workpiece (93) when used and comprises a plurality of sliding tables (23) movably arranged in the radial direction of the workpiece, the sliding tables are provided with grooves (231) used for forming and arranged opposite to the punches, and the sliding tables are driven by a second power source (92) to advance and driven by an elastic piece (24) to retract. According to the one-time forming device for the circumferential clamping groove, the circumferential clamping groove of a cylinder body can be machined at a time, and time and labor are saved.

Description

Technical Field

[0001] The utility model relates to the field of automobile parts processing, in particular to a circumferential slot one-step forming device. Background Art

[0002] The internal breathing piston spring brake air chamber is provided with a piston shaft tube in the cylinder body, an air hole is provided at the rear of the cylinder body, and an energy storage spring is arranged on the piston shaft tube. The middle shell body divides the cylinder body into front and rear air chambers. When exhausting, the breathing air pipe on the rear air chamber is connected with the front air chamber, and the excess gas is discharged through the front air chamber.

[0003] like Figure 5 As shown, the outer wall of the cylinder body of the inner breathing piston spring brake air chamber is provided with a slot 95 which needs to be processed. The conventional method is that workers use tools to process them one by one, which is troublesome and the work efficiency is not high. Utility Model Content

[0004] In order to overcome the shortcomings of the background technology, the utility model provides a circumferential groove one-step forming device, which mainly solves the problem that the groove processing of the outer wall of the cylinder body of the current inner breathing piston spring brake air chamber is relatively complicated and the working efficiency is not high.

[0005] The technical solution of the utility model is:

[0006] A circumferential groove one-time forming device includes a platform and a plurality of outer molds, which are driven by a first power source and are telescopically arranged on the platform along the radial direction of the workpiece, and include a punch for forming; an inner mold assembly, which is at least partially arranged in the inner cavity of the workpiece when in use, and includes a plurality of slides movably arranged along the radial direction of the workpiece, and the slides are provided with grooves for forming and arranged opposite to the punches, and the slides are driven forward by a second power source and retracted by an elastic member.

[0007] A guide rod is installed on the platform, a bottom plate and a movable plate are arranged on the guide rod, the second power source is installed on the bottom plate, and the second power source is connected with the movable plate to drive the movable plate to rise and fall.

[0008] The movable plate is provided with a driving rod, the driving rod is provided with a first pushing surface, and the slide is provided with a second pushing surface that matches the inclined surface of the first pushing surface.

[0009] The platform is also provided with a fixing ring, the radial inner wall of the fixing ring is provided with the elastic member, and one end of the elastic member is pressed against the circumferential outer wall of the slide table.

[0010] A guide seat is provided on the upper end surface of the fixing ring, and the guide seat is provided with a guide groove which is slidably matched with the outer mold.

[0011] The first power source is arranged on the platform.

[0012] The elastic member is a spring.

[0013] The movable plate is provided with a linear bearing which is slidably matched with the guide rod.

[0014] The slide table is provided with a fixing hole for one end of the spring to extend into.

[0015] The beneficial effect of the utility model is that the utility model provides a one-time forming device for a circumferential groove, which can process the circumferential groove of the cylinder body at one time, thus saving time and labor. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The figure is a cross-sectional perspective diagram of an embodiment of the utility model when in use.

[0017] Figure 2 for Figure 1 A magnified schematic diagram of center A.

[0018] Figure 3 It is a partial three-dimensional schematic diagram of an embodiment of the utility model.

[0019] Figure 4 It is a three-dimensional schematic diagram of a slide table according to an embodiment of the utility model.

[0020] Figure 5 This is a schematic diagram of the installation of a workpiece according to an embodiment of the utility model. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings: as shown in the figure, the circumferential groove one-time forming device includes a platform 1, and also includes a plurality of outer molds 21, which are driven by a first power source 91 and are telescopically arranged on the platform along the radial direction of the workpiece, and include a punch 211 for forming; an inner mold assembly 22, which is at least partially arranged in the inner cavity of the workpiece 93 when in use, and includes a plurality of slides 23 movably arranged along the radial direction of the workpiece, and the slide is provided with a groove 231 for forming and arranged opposite to the punch, and the slide is driven forward by the second power source 92 and retracted by the elastic member 24. When in use, the workpiece is buckled on the slide so that the circumferential outer wall of the workpiece will be located between the slide and the punch. At this time, the slide is driven by the second power source to open and press against the inner wall of the workpiece. Then, the first power source works to push the punch to press against the outer wall of the workpiece. Since the inner wall of the workpiece is just a groove, the groove of the workpiece is formed by the punch and the groove. After completion, the slide is retracted under the action of the elastic part, and the punch is also withdrawn under the drive of the first power source, and then the workpiece can be removed.

[0022] In this embodiment, as shown in the figure, a guide rod 11 is installed on the platform, a bottom plate 12 and a movable plate 13 are provided on the guide rod, the second power source is installed on the bottom plate, and the second power source is connected to the movable plate to drive the movable plate to rise and fall. A driving rod of the second power source is connected to the movable plate to drive the movable plate to rise and fall, and the driving rod is installed on the movable plate to drive the slide to move.

[0023] In this embodiment, as shown in the figure, the movable plate is provided with a driving rod 131, the driving rod is provided with a first pushing surface 132, and the slide is provided with a second pushing surface 233 that matches the inclined surface of the first pushing surface. The driving rod is pushed up, and the first pushing surface pushes the second pushing surface to make each slide open the workpiece.

[0024] In this embodiment, as shown in the figure, the platform is further provided with a fixing ring 4, the radial inner wall of the fixing ring is provided with the elastic member, one end of the elastic member is pressed against the circumferential outer wall of the slide. The fixing ring can be mounted on the platform by screws, etc., and its upper end surface is used to mount the guide seat, which can be a bridge-like structure for sliding cooperation with the outer mold, and the inner wall of the fixing ring is provided with a spring for pushing the slide to reset.

[0025] In this embodiment, as shown in the figure, a guide seat 41 is provided on the upper end surface of the fixing ring, and the guide seat is provided with a guide groove that is slidably matched with the outer mold.

[0026] In this embodiment, as shown in the figure, the first power source is provided on the platform.

[0027] In this embodiment, as shown in the figure, the elastic member is a spring.

[0028] In this embodiment, as shown in the figure, a linear bearing 133 is provided on the movable plate to slide with the guide rod to facilitate movement.

[0029] In this embodiment, as shown in the figure, the slide is provided with a fixing hole 235 for one end of the spring to extend into, so as to prevent the spring from falling out.

[0030] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0031] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0032] The embodiments described with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention. The embodiments should not be regarded as limiting the present invention, but any improvements based on the spirit of the present invention should be within the scope of protection of the present invention.

Claims

1. A circumferential groove one-step forming device, comprising a platform (1), characterized in that: Also includes A plurality of outer dies (21), driven by a first power source (91) and arranged on a platform in a retractable manner along the radial direction of the workpiece, and comprising a punch (211) for forming; The inner mold assembly (22) is at least partially disposed in the inner cavity of the workpiece (93) when in use, and comprises a plurality of slides (23) movably disposed along the radial direction of the workpiece, wherein the slides are provided with grooves (231) disposed opposite to the punch for forming, and the slides are driven forward by the second power source (92) and retracted by the elastic member (24).

2. The circumferential groove one-step forming device according to claim 1, characterized in that: A guide rod (11) is mounted on the platform, a bottom plate (12) and a movable plate (13) are provided on the guide rod, the second power source is mounted on the bottom plate, and the second power source is connected to the movable plate to drive the movable plate to rise and fall.

3. The circumferential groove one-step forming device according to claim 2, characterized in that: The movable plate is provided with a driving rod (131), the driving rod is provided with a first pushing surface (132), and the slide is provided with a second pushing surface (233) that matches the inclined surface of the first pushing surface.

4. The circumferential groove one-step forming device according to claim 3, characterized in that: The platform is also provided with a fixing ring (4), the radial inner wall of the fixing ring is provided with the elastic member, and one end of the elastic member is pressed against the circumferential outer wall of the slide table.

5. The circumferential groove one-step forming device according to claim 4, characterized in that: A guide seat (41) is provided on the upper end surface of the fixing ring, and the guide seat is provided with a guide groove that is slidably matched with the outer mold.

6. The circumferential groove one-step forming device according to claim 5, characterized in that: The first power source is arranged on the platform.

7. The circumferential groove one-step forming device according to claim 6, characterized in that: The elastic member is a spring.

8. The circumferential groove one-step forming device according to claim 7, characterized in that: The movable plate is provided with a linear bearing (133) which is slidably matched with the guide rod.

9. The circumferential groove one-step forming device according to claim 8, characterized in that: The slide table is provided with a fixing hole (235) for one end of the spring to extend into.

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