Friction welding clamp for driver shell

Abstract

The utility model relates to a friction welding clamp for a driver shell. The friction welding clamp comprises a rectangular case, a pull-down station and a transverse push rod, the U-shaped rods are directly connected with the supporting feet in a hanging mode, the structures of the supporting feet are naturally avoided, the two supporting feet are synchronously pulled down through the lifting blocks, two-point cooperative fixing is achieved, and it is guaranteed that stress on the supporting feet is balanced. The downward pulling force compacts the machine body on the machine box to resist upward separating force, the transverse pushing force resists axial moving force, and stability of the welding end face is doubly guaranteed. A workpiece is placed, the U-shaped rod is hung in, and the pull-down and jacking mechanism is started, the steps are clear, and operation is easy. Under the combined action of the downward pulling force and the jacking force, a stable clamping system is formed, and welding defects caused by uneven stress or displacement in the welding process are effectively prevented.

Description

Technical Field

[0001] This utility model relates to the field of fixture technology, specifically to a friction welding fixture for a driver housing. Background Technology

[0002] In the field of actuator manufacturing, friction welding is favored due to its high efficiency and energy-saving connection characteristics. Currently, actuator housings typically employ a cylindrical design, such as... Figure 1 The diagram shows a schematic of the existing actuator body structure, which has four legs 2 arranged in a matrix around its outer wall. This structure places special demands on the adaptability of the fixture during friction welding. Specifically, for irregularly shaped cylindrical bodies with matrix-arranged legs 2, conventional planar clamping or lateral pushing methods are insufficient to achieve precise avoidance and synchronous fixation of the legs, easily leading to uneven stress on the workpiece during welding. Furthermore, the axial forging force generated during friction welding can easily cause workpiece displacement, affecting welding accuracy and the quality of the ring wall connection. Therefore, it is necessary to develop a dedicated friction welding fixture that can adapt to the legs 2 to achieve multi-point coordinated fixation and is easy to operate. Utility Model Content

[0003] The main purpose of this utility model is to provide a friction welding fixture for a driver housing, so as to solve the problem that conventional planar pressing or lateral pushing methods in the prior art are difficult to achieve precise avoidance and synchronous fixation of the support legs, which easily leads to uneven force on the workpiece during welding.

[0004] To achieve the above objectives, this utility model provides a friction welding fixture for a driver housing, comprising a rectangular chassis, a pull-down station, and a transverse push rod;

[0005] At least one drop-down station should be provided on the rectangular chassis;

[0006] The pull-down station includes two lifting blocks and two through slots. The two through slots are opened on the top wall along the width of the rectangular chassis. The two lifting blocks correspond one-to-one with the two through slots and are slidably installed in the through slots.

[0007] The top of the lifting block is hinged to a U-shaped rod for hanging the support legs of the driver body, and the bottom is connected to a drive mechanism for driving its lifting.

[0008] One end of the lateral push rod can abut against the side of the drive body away from the support foot, and the other end is connected to a drive mechanism for moving it along the length of the rectangular chassis.

[0009] A preferred embodiment is that the drive mechanism includes a first cylinder and a support plate;

[0010] An extension rod is fixed to the bottom wall of each lifting block, and the end of the extension rod away from the lifting block is fixedly connected to one end of the bearing plate.

[0011] The first cylinder is located inside the rectangular housing, and the cylinder seat is fixedly connected to the inner top wall of the rectangular housing;

[0012] The piston rod of the first cylinder is fixedly connected to the support plate and is located between the two extension rods.

[0013] A preferred embodiment is that the pull-down station also includes two first slide rails, which correspond one-to-one with the lifting blocks, and one end of each slide rail is fixed to the inner top wall of the rectangular chassis. The first slide rails are located in the extension direction of the through slot, and the lifting blocks are slidably disposed within the first slide rails.

[0014] A preferred embodiment is that each channel has a receiving slot connected to its top, and the U-shaped rod can be placed inside the receiving slot.

[0015] A preferred solution is to arrange two pull-down stations symmetrically on the top wall of the rectangular chassis.

[0016] A preferred embodiment is that the driving mechanism includes a frame, a trapezoidal block, a second cylinder, and two moving blocks;

[0017] The frame is fixedly connected to the top wall of the rectangular chassis and is located between two pull-down stations. Guide grooves are opened on the upper and lower walls of the frame along the length of the rectangular chassis.

[0018] Each movable block has an embedded block fixed on its upper and lower side walls. The two embedded blocks correspond one-to-one with the two guide slots and are slidably installed in the guide slots.

[0019] Both moving blocks have inclined surfaces on their opposite sidewalls, and each inclined surface has a guide groove along its length.

[0020] The two side walls of the trapezoidal block are respectively attached to two inclined surfaces, and guide plates are fixed on both sides. The guide plates are slidably embedded in the guide grooves, and the two guide grooves correspond one-to-one with the two guide plates.

[0021] The cylinder seat of the second cylinder is fixedly connected to the frame, and the piston rod is fixedly connected to the trapezoidal block along the width direction of the rectangular chassis.

[0022] The two horizontal push rods correspond one-to-one with the two moving blocks and are fixedly connected to the moving blocks through the support plate.

[0023] A preferred embodiment is that an arc-shaped plate is fixed at the end of the lateral push rod away from the drive mechanism, and the arc-shaped plate abuts against the annular wall of the drive unit.

[0024] A preferred embodiment is that two U-shaped rods of a pull-down station are symmetrically arranged on both sides of the axial direction of the transverse push rod.

[0025] The beneficial effects of the above scheme are:

[0026] The operator places the actuator body to be welded onto the top surface of the rectangular chassis. One ring wall of the actuator body contacts the top surface of the rectangular chassis, and the two adjacent legs at the bottom of the actuator body are hooked onto the two U-shaped rods corresponding to the pull-down positions. The drive mechanism operates, pulling down the lifting block connected to it. The lifting block slides vertically downward along the corresponding through slot on the top wall of the rectangular chassis. The downward movement of the lifting block causes the U-shaped rods hinged at its top to move downward simultaneously. The downward movement of the U-shaped rods applies a vertical downward pulling force to the actuator body legs hanging on them. This downward pulling force pulls the actuator body legs tightly against and against the top surface of the rectangular chassis. While the legs are pulled down and fixed, the drive mechanism is activated, driving the transverse push rod to move along the length of the rectangular chassis towards the actuator body. One end of the transverse push rod abuts against the end face of the actuator body away from the legs, and the transverse push rod continuously applies a stable axial thrust, pressing the actuator body tightly along its cylindrical axis. This thrust ensures that the workpiece does not move axially during the welding process. At this point, the actuator body has been precisely positioned and securely clamped. The U-shaped rod directly hooks onto the support legs, naturally avoiding the structure of the support legs themselves. The lifting blocks simultaneously pull down the two support legs, achieving two-point coordinated fixation and ensuring balanced force distribution on the support legs. The steps are clear and easy to operate. The combined action of the pulling force and the tightening force forms a stable clamping system, effectively preventing welding defects caused by uneven force or displacement during the welding process. Attached Figure Description

[0027] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0028] Figure 1 This is a schematic diagram of the existing technology driver body structure;

[0029] Figure 2 This is a three-dimensional structural diagram of the friction welding fixture for the driver housing of this utility model;

[0030] Figure 3 yes Figure 2 This is an enlarged structural diagram of region A;

[0031] Figure 4 This is a top view schematic diagram of the friction welding fixture for the driver housing of this utility model;

[0032] Figure 5 This is a schematic diagram of the friction welding fixture for the driver housing of this utility model.

[0033] Explanation of reference numerals in the attached figures

[0034] 1. Driver body; 2. Support leg; 10. Rectangular chassis; 11. Through slot; 12. Receiving slot; 20. Pull-down station; 21. Lifting block; 22. U-shaped rod; 23. Drive mechanism; 230. First cylinder; 231. Bearing plate; 232. Extension rod; 24. First slide rail; 30. Lateral push rod; 31. Drive mechanism; 310. Frame; 3101. Guide slot; 312. Trapezoidal block; 313. Second cylinder; 315. Moving block; 3151. Inclined surface; 3152. Embedded block; 3153. Guide slot; 316. Support plate; 301. Arc plate. Detailed Implementation

[0035] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Many specific details are set forth in the following description to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0036] Example:

[0037] like Figure 2-5 As shown in the figure, this embodiment provides a friction welding fixture for a driver housing, including a rectangular chassis 10, a pull-down station 20, and a transverse push rod 30. At least one pull-down station 20 is provided on the rectangular chassis 10. Figure 2 As shown, the pull-down station 20 includes two lifting blocks 21 and two through slots 11. The two through slots 11 are formed on the top wall along the width direction of the rectangular housing 10. The two lifting blocks 21 correspond one-to-one with the two through slots 11, and the lifting blocks 21 slide within the through slots 11. The top of each lifting block 21 is hinged to a U-shaped rod 22 for hanging the support leg 2 of the driver body 1, and the bottom of each lifting block 21 is connected to a drive mechanism 23 for driving its lifting. Figure 5As shown, the drive mechanism 23 includes a first cylinder 230 and a support plate 231. An extension rod 232 is fixedly mounted on the bottom wall of each lifting block 21, with one end of the extension rod 232 away from the lifting block 21 fixedly connected to one end of the support plate 231. The first cylinder 230 is located inside the rectangular housing 10, and the cylinder seat of the first cylinder 230 is fixedly connected to the inner top wall of the rectangular housing 10. The piston rod of the first cylinder 230 is fixedly connected to the support plate 231, and the first cylinder 230 is located between the two extension rods 232. The first cylinder 230 drives the support plate 231 to rise and fall, and the support plate 231 drives the lifting blocks 21 to rise and fall synchronously via the extension rods 232. The pull-down station 20 also includes two first slide rails 24, each corresponding to a lifting block 21. One end of each first slide rail 24 is fixed to the inner top wall of the rectangular housing 10, and the first slide rail 24 is located in the extending direction of the through groove 11. The lifting block 21 slides within the first slide rail 24. One end of the lateral push rod 30 can abut against the side of the drive body 1 away from the support leg 2, and the other end of the lateral push rod 30 is connected to the drive mechanism 31 for moving it along the length of the rectangular chassis 10.

[0038] The operator places the driver body 1 to be welded onto the top surface of the rectangular housing 10. One ring wall of the driver body 1 contacts the top surface of the rectangular housing, and the two adjacent support legs 2 at the bottom of the driver body 1 are respectively hooked onto the two U-shaped rods 22 of the corresponding pull-down station 20. The drive mechanism 23 operates, pulling down the lifting block 21 connected to it. The lifting block 21 slides vertically downward along the corresponding through groove 11 on the top wall of the rectangular housing 10. The downward movement of the lifting block 21 causes the U-shaped rod 22 hinged at its top to move downward synchronously. The downward movement of the U-shaped rod 22 applies a vertical downward pulling force to the support legs 2 of the driver body 1 hanging on it. This downward pulling force pulls the support legs 2 of the driver body 1 tightly towards and against the top surface of the rectangular housing 10. While the support leg 2 is pulled down and fixed, the drive mechanism 31 is activated, driving the transverse push rod 30 to move along the length of the rectangular housing 10 towards the drive body 1. One end of the transverse push rod 30 abuts against the end face of the drive body 1 away from the support leg 2, and the transverse push rod 30 continuously applies a stable axial thrust, pressing the drive body 1 tightly along its cylindrical axis. This thrust ensures that the workpiece will not move axially during welding. At this point, the drive body 1 has completed precise positioning and secure clamping.

[0039] The U-shaped rod 22 is directly attached to the support leg 2, naturally avoiding the structure of the support leg 2 itself. The lifting block 21 simultaneously pulls down both support legs 2, achieving two-point coordinated fixation and ensuring balanced force distribution on the support leg 2. The steps are clear and easy to operate. The combined action of the pulling force and the tightening force forms a stable clamping system, effectively preventing welding defects caused by uneven force or displacement during welding.

[0040] like Figure 2As shown, each through slot 11 has a receiving slot 12 connected to its top (i.e., the receiving slot is opened on the top wall of the rectangular chassis), and the U-shaped rod 22 can be placed in the receiving slot 12. In the non-working state, the U-shaped rod 22 is stored in the receiving slot 12, making the surface of the top wall of the chassis flat, which facilitates the quick placement and adjustment of the driver body 1.

[0041] like Figure 2 As shown, two pull-down stations 20 are symmetrically arranged on the top wall of the rectangular chassis 10. (As...) Figure 3 The driving mechanism 31 shown includes a frame 310, a trapezoidal block 312, a second cylinder 313, and two moving blocks 315. The frame 310 is fixedly connected to the top wall of the rectangular housing 10, and the frame 310 is located between the two pull-down stations 20. Guide grooves 3101 are formed on the upper and lower walls of the frame 310 along the length of the rectangular housing 10. An embedded block 3152 is fixedly provided on the upper and lower side walls of each moving block 315. The two embedded blocks 3152 correspond one-to-one with the two guide grooves 3101 and are slidably disposed within the guide grooves 3101. Inclined surfaces 3151 are formed on the opposite side walls of the two moving blocks 315, and guide grooves 3153 are formed along the length of each inclined surface 3151. The two side walls of the trapezoidal block 312 are respectively attached to the two inclined surfaces 3151, and guide plates (not shown) are fixed on both sides. The guide plates are slidably embedded within the guide grooves 3101, and the two guide grooves 3101 correspond one-to-one with the two guide plates. The cylinder seat of the second cylinder 313 is fixedly connected to the frame 310, and the piston rod is hinged to the trapezoidal block 312 along the width direction of the rectangular housing 10. Two transverse push rods 30 correspond one-to-one with two moving blocks 315, and are fixedly connected to the moving blocks 315 via a support plate 316.

[0042] Two actuator bodies 1 are respectively placed above two symmetrical pull-down stations 20 of the rectangular housing 10, with the support legs 2 of the actuator bodies corresponding to the U-shaped rods 22 of their respective stations. The drive mechanisms 23 of the two stations synchronously drive the lifting blocks 21 to move downwards, and the hinged U-shaped rods 22 hook onto the support legs 2. The second cylinder 313 pushes the trapezoidal block 312 to move along the width direction of the frame 310. The inclined surfaces 3151 on both sides of the trapezoidal block 312 are in contact with the inclined surfaces 3151 of the two moving blocks 315, and the linear motion of the cylinder is converted into the disjoint motion of the moving blocks 315 through the inclined surface cooperation. The guide plates on both sides of the trapezoidal block 312 are embedded in the guide grooves 3101 of the side wall of the frame 310, and the embedded blocks 3152 on the upper and lower side walls of the moving blocks 315 slide in contact with the guide grooves 3101 of the frame 310 to prevent displacement. Two movable blocks 315, via support plate 316, drive the transverse push rod 30 to move closer synchronously, respectively abutting the sides of the two drive bodies 1 away from the support feet 2, forming axial positioning support. The transverse push rod 30, through the inclined self-locking structure of the movable blocks 315 and trapezoidal block 312, counteracts the axial forging force, preventing displacement of the drive body 1. An arc-shaped plate 301 is fixed to the end of the transverse push rod 30 away from the drive mechanism 31, and the arc-shaped plate 301 abuts against the annular wall of the drive body 1. The arc-shaped plate design increases the contact area with the drive body 1, thus increasing the overall stability of the fixture. Two U-shaped rods 22 of a pull-down station 20 are symmetrically arranged on both sides of the transverse push rod 30 axially.

[0043] Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

Claims

1. A friction welding fixture for a driver housing, characterized in that, include: A rectangular chassis, wherein at least one pull-down station is provided on the rectangular chassis; The pull-down station includes two lifting blocks and two through slots. The two through slots are opened on the top wall along the width direction of the rectangular chassis. The two lifting blocks correspond one-to-one with the two through slots and are slidably disposed in the through slots. The top end of the lifting block is hinged to a U-shaped rod for hanging the support feet of the driver body, and the bottom end is connected to a drive mechanism for driving its lifting. A lateral push rod, one end of which can abut against the side of the driver body away from the support foot, and the other end is connected to a drive mechanism for moving it along the length of the rectangular chassis.

2. The driver housing friction welding fixture according to claim 1, characterized in that, The drive mechanism includes a first cylinder and a support plate; An extension rod is fixed to the bottom wall of each of the lifting blocks, and the end of the extension rod away from the lifting block is fixedly connected to one end of the bearing plate; The first cylinder is located inside the rectangular housing, and the cylinder seat is fixedly connected to the inner top wall of the rectangular housing; The piston rod of the first cylinder is fixedly connected to the support plate and is located between the two extension rods.

3. The driver housing friction welding fixture according to claim 2, characterized in that, The pull-down station also includes two first slide rails, which correspond one-to-one with the lifting block, and one end of each slide rail is fixed on the inner top wall of the rectangular chassis. The first slide rails are located in the extension direction of the through groove, and the lifting block is slidably disposed in the first slide rails.

4. The driver housing friction welding fixture according to claim 1, characterized in that, Each of the through slots has a receiving slot at the top, and the U-shaped rod can be placed inside the receiving slot.

5. The driver housing friction welding fixture according to any one of claims 1-4, characterized in that, The top wall of the rectangular chassis has two pull-down stations symmetrically arranged.

6. The driver housing friction welding fixture according to claim 5, characterized in that, The driving mechanism includes a frame, a trapezoidal block, a second cylinder, and two moving blocks; The frame is fixedly connected to the top wall of the rectangular chassis and is located between the two pull-down stations. Guide grooves are provided on the upper and lower walls of the frame along the length of the rectangular chassis. Each of the moving blocks has an embedded block fixed on its upper and lower sidewalls. The two embedded blocks correspond one-to-one with the two guide slots and are slidably disposed in the guide slots. The two movable blocks each have inclined surfaces on their opposite sidewalls, and each inclined surface has a guide groove along its length. The trapezoidal block is respectively attached to the two inclined surfaces on both sides, and guide plates are fixed on both sides. The guide plates are slidably embedded in the guide grooves, and the two guide grooves correspond one-to-one with the two guide plates. The cylinder seat of the second cylinder is fixedly connected to the frame, and the piston rod is hinged to the trapezoidal block along the width direction of the rectangular housing; The two lateral push rods correspond one-to-one with the two movable blocks, and are fixedly connected to the movable blocks through a support plate.

7. The driver housing friction welding fixture according to claim 1, characterized in that, An arc-shaped plate is fixed at one end of the lateral push rod away from the driving mechanism, and the arc-shaped plate abuts against the annular wall of the driver body.

8. The driver housing friction welding fixture according to claim 1, characterized in that, Two U-shaped rods of one of the pull-down stations are symmetrically arranged on both sides of the axial direction of the transverse push rod.

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