Auxiliary frame rear lower swing arm reverse drawing tool
By designing a reverse drawing tool for the lower arm processing, the problem of difficulty in taking out processing objects in the prior art is solved, and an efficient production process and a good finished product appearance are achieved.
Patent Information
- Application Number
- CN202421105329.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-21
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-05-21
AI Technical Summary
The existing reverse drawing tooling is difficult to remove when processing the hem arm, which affects production efficiency.
A subframe rear lower arm retractable tool is designed, including a base, a first mold, a first pressure plate, a second pressure plate and a second mold, and the forming and removal of materials are achieved through a driving assembly and an electric push rod set.
Through the design of this tooling, the material can be easily removed after processing, which improves production efficiency and avoids scratches on the outer surface of the molded material.
Smart Images
Figure CN222536025U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of lower control arm processing, and in particular to a reverse drawing tool for a rear lower control arm of a sub-frame. Background Art
[0002] Reverse drawing means that the material flow direction of reverse drawing is opposite to that of forward drawing, which is conducive to offsetting the residual stress formed during the drawing process. In recent years, we have switched to reverse drawing for cylindrical parts that were originally drawn forward, and have achieved good results.
[0003] However, the existing reverse drawing has the following defects: for example, when the lower swing arm needs to be processed, it is difficult to remove it after the processing is completed due to the special shape of the lower swing arm, which affects the production efficiency. Summary of the invention
[0004] The purpose of this application is to solve the problem of inconvenience in removing objects after processing, which affects production efficiency.
[0005] To achieve the above objectives, the technical solution adopted in the present application is: a reverse drawing tool for the rear lower arm of a subframe is proposed, comprising a base, a first mold is fixedly connected and installed on the top of the base, a first pressure plate is slidably installed on the top of the first mold, a second pressure plate is slidably installed on the top of the first pressure plate, a second mold is slidably installed on the top of the second pressure plate, a first driving assembly for driving the second pressure plate to move is installed between the first mold and the second pressure plate, a second driving assembly for driving the second mold to move is installed between the second pressure plate and the second mold, and a discharge assembly is installed inside the first mold.
[0006] Preferably, the first driving assembly includes a driving motor, a screw, a pulley and a driving belt. The driving motor is fixedly installed on the top of the base, and two screws are movably installed on both sides of the first mold. The pulley is fixedly connected to the bottom of the screw, and the driving belt is installed on the outer wall of the pulley. The output end of the driving motor is connected to the top of the left screw, and the top of the screw is movably installed on both sides of the second pressure plate.
[0007] As another preferred embodiment, the second driving assembly includes a support frame and a first electric push rod group, the top of the second pressure plate is fixedly connected to the support frame, the first electric push rod group is fixedly installed on the bottom of the support frame, the bottom of the first electric push rod group is connected to the top of the second mold, and both sides of the second mold are slidably installed on the support frame.
[0008] Further preferably, the discharging assembly includes a second electric push rod group and a push plate, the second electric push rod group is fixedly installed on the top of the base, and the push plate is installed on the top of the second electric push rod group and is located inside the slot of the first mold.
[0009] Further preferably, four rectangularly distributed sliding bars are fixedly connected to the bottom of the first pressing plate, four rectangularly distributed sliding grooves corresponding to the sliding bars are opened inside the first mold, and support springs are installed on the outer walls of the sliding bars.
[0010] Further preferably, the outer diameter of the second mold is equal to the inner diameter of the lower swing arm and the texture of the bottom of the second mold is consistent with the texture of the lower swing arm, the inner diameter of the first mold is equal to the outer diameter of the lower swing arm, the groove size of the first pressing plate and the second pressing plate is the same and larger than the outer diameter of the first mold, the gap distance between the second mold and the first mold is the thickness of the steel plate, and the gap distance between the first pressing plate and the second pressing plate and the first mold is the thickness of the steel plate.
[0011] Compared with the prior art, the beneficial effects of this application are:
[0012] (1) By setting up a first mold, a second electric push rod group and a push plate, after the processing is completed, the second electric push rod group is turned on to drive the push plate to move upward to push out the molding material inside the first mold, which can solve the problem in the prior art that it is difficult to remove the molding material after the processing is completed, thereby affecting the production efficiency.
[0013] (2) By setting a first mold, a first pressing plate, a second pressing plate, a second mold, a driving motor, a screw, a pulley, a driving belt and a first electric push rod group, when in use, first place the steel plate between the first pressing plate and the second pressing plate, then turn on the driving motor to drive the left screw to rotate, and drive the right screw to rotate at the same time through the cooperation of the pulley and the driving belt. When the two screws rotate, the second pressing plate can be driven to move downward, and the second pressing plate can be driven to move downward to drive the first pressing plate to move downward. The steel plate is stretched upward into shape through the first mold, and then the first electric push rod group is turned on to push the second mold to move downward. The material is stretched downward, and the material can be processed into the shape of a lower arm. The outer surface after the first processing is turned inward, so that the outer surface of the workpiece has no scratches during drawing and does not affect the appearance. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the overall structure of the reverse drawing tooling for the rear lower swing arm of the subframe;
[0015] Figure 2 This is a schematic diagram of the structure of the first driving assembly of the reverse drawing tooling of the rear lower swing arm of the sub-frame;
[0016] Figure 3 This is a schematic diagram of the structure of the second driving assembly of the reverse drawing tooling of the rear lower swing arm of the sub-frame;
[0017] Figure 4The figure is a schematic diagram of the structure of the discharge assembly of the reverse drawing tooling of the rear lower swing arm of the sub-frame.
[0018] In the figure: 1. base; 2. first mold; 3. first pressure plate; 4. second pressure plate; 5. second mold; 6. first drive assembly; 601. drive motor; 602. screw rod; 603. pulley; 604. drive belt; 7. second drive assembly; 701. support frame; 702. first electric push rod group; 8. discharge assembly; 801. second electric push rod group; 802. push plate; 9. slide rod; 901. slide groove; 902. support spring. DETAILED DESCRIPTION
[0019] Below, the present application is further described in conjunction with specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.
[0020] In the description of the present application, it should be noted that directional words, such as the terms "center", "lateral", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of narrating the present application 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 cannot be understood as limiting the specific scope of protection of the present application.
[0021] It should be noted that the terms "first", "second", etc. in the description and claims of the present application are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.
[0022] The terms "including" and "having" and any variations thereof in the specification and claims of this application are intended to cover non-exclusive inclusions. For example, a process, method, system, product or apparatus comprising a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to these processes, methods, products or apparatuses.
[0023] like Figure 1-4The reverse drawing tooling of the rear lower swing arm of a sub-frame shown in the figure comprises a base 1, a first mold 2 is fixedly connected and installed on the top of the base 1, a first pressing plate 3 is slidably installed on the top of the first mold 2, a second pressing plate 4 is slidably installed on the top of the first pressing plate 3, a second mold 5 is slidably installed on the top of the second pressing plate 4, a first driving component 6 for driving the second pressing plate 4 to move is installed between the first mold 2 and the second pressing plate 4, a second driving component 7 for driving the second pressing plate 5 to move is installed between the second pressing plate 4 and the second mold 5, and a discharge component 8 is installed inside the first mold 2. First, a steel plate is placed between the first pressing plate 3 and the second pressing plate 4, and then the first driving component 6 is turned on to drive the second pressing plate 4 to move downward, and at the same time, the first pressing plate 3 is also driven to move downward, and the steel plate is stretched upward into shape by the first mold 2, and then the second driving component 7 is turned on to drive the second mold 5 to move downward, and the material is stretched downward, so that the material can be processed into the shape of the lower swing arm, and finally the material is pushed out by the discharge component 8.
[0024] The first driving assembly 6 includes a driving motor 601, a screw rod 602, a pulley 603 and a driving belt 604. The driving motor 601 is fixedly installed on the top of the base 1, and two screw rods 602 are movably installed on both sides of the first mold 2. The pulley 603 is fixedly connected to the bottom of the screw rod 602, and the driving belt 604 is installed on the outer wall of the pulley 603. The output end of the driving motor 601 is connected to the top of the left screw rod 602, and the top of the screw rod 602 is movably installed on both sides of the second pressing plate 4. When in use, the driving motor 601 is turned on to drive the left screw rod 602 to rotate, and the right screw rod 602 is driven to rotate at the same time through the cooperation of the pulley 603 and the driving belt 604. When the two screw rods 602 rotate, they can drive the second pressing plate 4 to move downward, so that the steel plate can be stretched upward to form.
[0025] The second driving assembly 7 includes a support frame 701 and a first electric push rod group 702. The top of the second pressing plate 4 is fixedly connected to the support frame 701. The first electric push rod group 702 is fixedly installed on the bottom of the support frame 701. The bottom of the first electric push rod group 702 is connected to the top of the second mold 5. Both sides of the second mold 5 are slidably installed on the support frame 701. When in use, the first electric push rod group 702 is turned on to push the second mold 5 to move downward, and the material is stretched downward, so that the material can be processed into the shape of a lower swing arm.
[0026] The discharge assembly 8 includes a second electric push rod group 801 and a push plate 802. The second electric push rod group 801 is fixedly installed on the top of the base 1. The push plate 802 is installed on the top of the second electric push rod group 801 and is located inside the slot of the first mold 2. When in use, the second electric push rod group 801 is turned on to drive the push plate 802 to move upward to push out the molded material inside the first mold 2.
[0027] Four rectangular slide bars 9 are fixedly connected to the bottom of the first pressure plate 3. Four rectangular slide bars 901 corresponding to the slide bars 9 are opened inside the first mold 2. Support springs 902 are installed on the outer walls of the slide bars 9. When the first drive assembly 6 is turned on, the first pressure plate 3 can be pushed upward by the support springs 902. When the first drive assembly 6 is turned on, the first pressure plate 3 can be moved downward smoothly by the cooperation between the slide bars 9 and the slide bars 901.
[0028] The outer diameter of the second mold 5 is equal to the inner diameter of the lower swing arm and the texture of the bottom of the second mold 5 is consistent with the texture of the lower swing arm, the inner diameter of the first mold 2 is equal to the outer diameter of the lower swing arm, the slot sizes of the first pressing plate 3 and the second pressing plate 4 are the same and larger than the outer diameter of the first mold 2, the gap distance between the second mold 5 and the first mold 2 is the thickness of the steel plate, and the gap distance between the first pressing plate 3 and the second pressing plate 4 and the first mold 2 is the thickness of the steel plate. When the first pressing plate 3 and the second pressing plate 4 are pressed down, the steel plate is clamped and moved downward, and the steel plate is stretched upward through the cooperation of the first mold 2. Then when the second mold 5 is pressed downward, the steel plate is stretched downward through the second mold 5, so that the material can be pressed into the shape of the lower swing arm.
[0029] Working principle: first, place the steel plate between the first pressing plate 3 and the second pressing plate 4, then turn on the driving motor 601 to drive the left screw rod 602 to rotate, and drive the right screw rod 602 to rotate at the same time through the cooperation of the pulley 603 and the driving belt 604. When the two screw rods 602 rotate, they can drive the second pressing plate 4 to move downward, and drive the second pressing plate 4 to move downward to drive the first pressing plate 3 to move downward, and stretch the steel plate upward through the first mold 2 to form, and then turn on the first electric push rod group 702 to push the second mold 5 to move downward, and stretch the material downward, so that the material can be processed into the shape of a lower swing arm, and finally turn on the second electric push rod group 801 to drive the push plate 802 to move upward, and push the molded material inside the first mold 2 out.
[0030] The above describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and the specification only describe the principles of the present application. The present application may have various changes and improvements without departing from the spirit and scope of the present application, and these changes and improvements fall within the scope of the present application for which protection is sought. The scope of protection claimed by the present application is defined by the attached claims and their equivalents.
Claims
1. A reverse drawing tool for a rear lower swing arm of a sub-frame, comprising a base (1), characterized in that: A first mold (2) is fixedly connected to the top of the base (1), a first pressing plate (3) is slidably mounted on the top of the first mold (2), a second pressing plate (4) is slidably mounted on the top of the first pressing plate (3), a second mold (5) is slidably mounted on the top of the second pressing plate (4), a first driving component (6) for driving the second pressing plate (4) to move is mounted between the first mold (2) and the second pressing plate (4), a second driving component (7) for driving the second mold (5) to move is mounted between the second pressing plate (4) and the second mold (5), and a discharging component (8) is mounted inside the first mold (2).
2. The reverse drawing tool for the rear lower arm of a sub-frame according to claim 1, characterized in that: The first driving assembly (6) comprises a driving motor (601), a screw rod (602), a pulley (603) and a driving belt (604); the driving motor (601) is fixedly mounted on the top of the base (1); two screw rods (602) are movably mounted on both sides of the first mold (2); the pulley (603) is fixedly connected to the bottom of the screw rod (602); the driving belt (604) is mounted on the outer wall of the pulley (603); the output end of the driving motor (601) is connected to the top of the left screw rod (602); and the top of the screw rod (602) is movably mounted on both sides of the second pressing plate (4).
3. The reverse drawing tool for the rear lower arm of a sub-frame according to claim 1, characterized in that: The second driving assembly (7) comprises a support frame (701) and a first electric push rod group (702), the top of the second pressing plate (4) is fixedly connected to the support frame (701), the first electric push rod group (702) is fixedly installed on the bottom of the support frame (701), the bottom of the first electric push rod group (702) is connected to the top of the second mold (5), and both sides of the second mold (5) are slidably installed on the support frame (701).
4. The reverse drawing tool for the rear lower arm of a sub-frame according to claim 1, characterized in that: The discharge assembly (8) comprises a second electric push rod group (801) and a push plate (802); the second electric push rod group (801) is fixedly mounted on the top of the base (1); the push plate (802) is mounted on the top of the second electric push rod group (801) and is located inside the slot of the first mold (2).
5. The reverse drawing tool for the rear lower arm of a sub-frame according to claim 1, characterized in that: The bottom of the first pressing plate (3) is fixedly connected with four sliding rods (9) distributed in a rectangular shape, the interior of the first mold (2) is provided with four sliding grooves (901) distributed in a rectangular shape and corresponding to the sliding rods (9), and the outer wall of the sliding rod (9) is installed with a supporting spring (902).
6. The reverse drawing tool for the rear lower arm of a sub-frame according to claim 1, characterized in that: The outer diameter of the second mold (5) is equal to the inner diameter of the lower swing arm and the texture of the bottom of the second mold (5) is consistent with the texture of the lower swing arm, the inner diameter of the first mold (2) is equal to the outer diameter of the lower swing arm, the slot sizes of the first pressing plate (3) and the second pressing plate (4) are the same and larger than the outer diameter of the first mold (2), the gap distance between the second mold (5) and the first mold (2) is the thickness of the steel plate, and the gap distance between the first pressing plate (3) and the second pressing plate (4) and the first mold (2) is the thickness of the steel plate.