Tailstock pushing and pressing double-limiting mechanism

Abstract

The utility model discloses a pushing and pressing double-limiting mechanism for a tailstock. The pushing and pressing double-limiting mechanism comprises the tailstock, a supporting table, a limiting table, a pushing mechanism and a pressing mechanism. The pushing and jacking mechanism comprises a jacking rod capable of moving transversely, and the front end of the jacking rod is horizontally opposite to the limiting table so as to transversely clamp and press the tailstock; the pressing mechanism comprises a pressing block capable of ascending and descending, and the pressing block is vertically opposite to the supporting table so as to vertically clamp and press the tailstock. The pressing mechanism further comprises a lifting rod, and the pressing block is rotatably installed on the lifting rod through a rotating arm so that the pressing block can rotate to be opposite to or staggered from the supporting table. A jaw is arranged on the ejector rod and can be clamped on the rotating arm along with the forward movement of the ejector rod so as to limit the angle of the pressing block and enable the pressing block to be opposite to the supporting table; the jaw is sequentially provided with a flaring section and a bayonet section from the opening to the inside; the width of the bayonet section is equal to that of the rotary arm, so that the rotary arm can be clamped in the bayonet section; and the flaring section is gradually expanded from inside to outside. According to the utility model, the tailstock can be stably clamped and positioned.

Description

Technical Field

[0001] The utility model relates to a limiting mechanism, in particular to a double limiting mechanism for a tail frame pushing, pushing and pressing. Background Art

[0002] The electric vehicle frame is a crucial component of the vehicle. During its production, numerous sheet metal components are often welded, requiring them to be secured to the appropriate welding fixtures. The fixture's positional constraints impact the weld quality. The tail frame, located at the rear of the frame, has a unique shape, requiring a suitable positional constraint to maintain its position during processing. Summary of the Invention

[0003] Purpose of the invention: In order to overcome the deficiencies in the prior art, the utility model provides a double-limiting mechanism for a tail rack, which is used to stably clamp and position the tail rack.

[0004] Technical solution: In order to achieve the above-mentioned purpose, the utility model provides a double-limiting mechanism for pushing, pushing and pressing the tail rack, which includes a tail rack, a support platform, a limit platform, a pushing mechanism and a pressing mechanism; the pushing mechanism includes a push rod that can move laterally, and the front end of the push rod is horizontally opposite to the limit platform to laterally clamp the tail rack; the pressing mechanism includes a pressing block that can be raised and lowered, and the pressing block is vertically opposite to the support platform to vertically clamp the tail rack; the pressing mechanism also includes a lifting rod, and the pressing block is rotatably mounted on the lifting rod through a rotary arm, so that the pressing block can be rotated to be opposite to or staggered with the support platform; a jaw is provided on the push rod, and the jaw can be clamped on the rotary arm as the push rod moves forward to limit the angle of the pressing block so that the pressing block remains opposite to the support platform.

[0005] Furthermore, the jaws are composed of a flaring section and a bayonet section from the opening inward; the width of the bayonet section is equivalent to the width of the rotary arm, so that the rotary arm can be clamped in the bayonet section; the flaring section gradually expands from the inside to the outside.

[0006] Furthermore, the pushing mechanism also includes a horizontal pushing handle and a support, a pushing hole is opened on the support, and the horizontal pushing handle is movably arranged in the pushing hole; the front end of the horizontal pushing handle is connected to the push rod, and the rear end of the horizontal pushing handle is provided with a clamping assembly, and the horizontal pushing handle can be clamped in the pushing hole through the clamping assembly.

[0007] Furthermore, the lifting rod is located between the support platform and the pushing mechanism, and the limit platform and the pushing mechanism are respectively located on both sides of the support platform; the front end of the push rod is bifurcated into two side support rods and an upper support rod; the front end of the upper support rod is provided with two clamp arms, and the clamp mouth is between the two clamp arms; the two side support rods are respectively located on the left and right sides of the upper support rod, and when the push rod moves forward, the front ends of the two side support rods form a clamping fit with the limit platform.

[0008] Furthermore, the tail frame is composed of a tail frame plate and two connecting tubes connected to the same side of the tail frame plate. The tail frame plate is placed on the support platform accordingly, and the pressure block and the support platform vertically clamp the tail frame plate; the two side support rods are respectively opposite to the two connecting tubes, and the front end of the side support rods is a concave clamping groove, the shape of the clamping groove is consistent with the outer contour of the connecting tube, and the side support rods and the limit platform clamp the connecting tube horizontally.

[0009] Furthermore, the clamping assembly includes a rotating handle, and a slot is provided at the rear end of the horizontal push handle. The rotating handle can be rotated in or out of the slot. When the rotating handle is rotated into the slot, the slot is squeezed open, so that the horizontal push handle is stuck in the push hole.

[0010] Furthermore, the pressing mechanism also includes a lifting cylinder, the lower end of the lifting rod is connected to the lifting cylinder, and the upper end of the lifting rod is equipped with the rotary arm.

[0011] Beneficial effects: The double-limiting mechanism for pushing, pressing and closing the tail frame of the utility model has the following beneficial effects:

[0012] 1) The pushing mechanism can push the tail frame onto the limit platform to limit the horizontal position of the tail frame; the pressing mechanism can press the tail frame onto the support platform to limit the vertical position of the tail frame; thus, the double limit structure ensures the stable clamping of the tail frame to facilitate subsequent processing of the tail frame;

[0013] 2) The pressing block in the pressing mechanism can rotate with the rotary arm to be opposite to or offset from the support platform. When the pressing block is offset from the support platform, it is convenient to take and place the tail frame on the support platform; there are jaws on the push rod of the pushing mechanism, which can clamp on the rotary arm to keep the pressing block opposite to the support platform and prevent the pressing block from rotating away from the tail frame, thereby ensuring that the pressing block can be stably pressed on the tail frame and limit the vertical position of the tail frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Attachment Figure 1 Schematic diagram of the cooperation between the jaws and the pressure block;

[0015] Attachment Figure 2 Schematic diagram of the structure of the ejector rod. DETAILED DESCRIPTION

[0016] As attached Figures 1 to 2 The dual-limiting mechanism for pushing, pushing, and pressing the tailstock comprises a support platform 1, a limiting platform 2, a pushing mechanism, and a pressing mechanism. The pushing mechanism includes a laterally movable push rod 5, the front end of which is horizontally opposed to the limiting platform 2, enabling the push rod 5 and the limiting platform 2 to laterally clamp the tailstock, thereby limiting its lateral position. The pressing mechanism includes a liftable pressure block 6, which is vertically opposed to the support platform 1, enabling the pressure block 6 and the support platform 1 to vertically clamp the tailstock, thereby limiting its vertical position.

[0017] The pressing mechanism also includes a lifting rod 7, to which a pressure block 6 is rotatably mounted via a swing arm 8. Specifically, one end of the swing arm 8 is rotatably mounted on the lifting rod 7, and the pressure block 6 is positioned below the other end of the swing arm 8. Because the swing arm 8 can rotate about the lifting rod 7, the pressure block 6 can also rotate with the swing arm 8. As the pressure block 6 rotates, it can move relative to the support platform 1, in which case it is directly above the support platform 1. It can also be offset from the support platform 1, making it easier to remove the tail rack from the support platform 1.

[0018] A jaw 9 is provided on the push rod 5, which is located at the front end of the push rod 5 and faces the swing arm 8. The jaw 9 can clamp on the swing arm 8 as the push rod 5 moves forward to limit the angle of the pressure block 6, so that the pressure block 6 remains opposite to the support platform 1, and prevents the pressure block 6 from rotating away from the tail frame.

[0019] The jaws 9 are divided into a flared section 10 and a bayonet section 11 from the opening to the inside. Figure 1 As shown in , the width of the bayonet section 11 is comparable to that of the swing arm 8, allowing the swing arm 8 to be clamped within the bayonet section 11. When using the dual-limiting mechanism of the present invention to clamp and limit the tailstock, the push-up mechanism is first activated. As the flared section 10 gradually expands from the inside to the outside, the swing arm 8 enters the jaws 9 during the forward movement of the movable rod. Guided by the flared section 10, it gradually rotates until the swing arm 8 can be smoothly inserted into the bayonet section 11. At this point, the pressure block 6 at the end of the swing arm 8 is exactly opposite the support platform 1. The pressing mechanism is then activated, causing the pressure block 6 to move downward to press against the tailstock on the support platform 1.

[0020] The pushing mechanism also includes a horizontal pushing handle 12 and a support 13. The support 13 is provided with a push hole 14. The horizontal pushing handle 12 is movably arranged in the push hole 14. The front end of the horizontal pushing handle 12 is connected to the push rod 5. The rear end of the horizontal pushing handle 12 is provided with a clamping assembly. The horizontal pushing handle 12 can be clamped in the push hole 14 through the clamping assembly, so that the push rod 5 and the limit platform 2 cooperate to clamp the tail frame horizontally. In one embodiment, the clamping assembly includes a rotating handle 17. The rear end of the horizontal pushing handle 12 is provided with a slot 3. The rotating handle 17 can be screwed in or out of the slot 3. When the rotating handle 17 is screwed into the slot 3, the slot 3 is squeezed open, so that the horizontal pushing handle 12 is stuck in the push hole 14. Accordingly, there is a slit on the push hole 14. The presence of the slit makes it easier for the rotating handle 17 to be stuck in the push hole 14.

[0021] As attached Figure 1 and 2As shown in , the limit platform 2 and the push-up mechanism are respectively located on both sides of the support platform 1. When the tail rack is placed on the support platform 1, the limit bar and the push-up mechanism cooperate to clamp on both sides of the tail rack to limit the lateral position of the tail rack. The lifting rod 7 is located between the support platform 1 and the push-up mechanism. Accordingly, the front end of the push rod 5 branches into two side support rods 15 and an upper support rod 16. There is a gap between the two side support rods 15 to avoid the lifting rod 7. The front end of the upper support rod 16 is provided with two clamp arms, and the jaws 9 are between the two clamp arms. The two side support rods 15 are respectively located on the left and right sides of the upper support rod 16. When the push rod 5 moves forward, the front ends of the two side support rods 15 form a clamping fit with the limit platform 2.

[0022] Specifically, the tailstock consists of a tailstock plate 18 and two connecting pipes 19 connected to the same side of the tailstock plate 18. The tailstock plate 18 is placed on the support platform 1, and the pressure block 6 and the support platform 1 vertically clamp the tailstock plate 18. There is an opening on the tailstock plate 18, and there is a latch on the support platform 1. The opening and the latch cooperate to limit the position of the tailstock plate 18.

[0023] The two side struts 15 face the two connecting tubes 19, and the front ends of the side struts 15 have concave clamping grooves that match the outer contour of the connecting tubes 19. The side struts 15 and the limiting platform 2 laterally clamp the connecting tubes 19. The two side struts 15 with clamping grooves restrict the position of the connecting tubes 19. The limiting platform 2 also houses the plate 10. In actual use, the connecting tubes 19 are already connected to the tailstock plate 18, and the plate 10 needs to be welded to the connecting tubes 19.

[0024] The pressing mechanism further comprises a lifting cylinder 4, the lower end of a lifting rod 7 is connected to the lifting cylinder 4, the upper end of the lifting rod 7 is provided with the swing arm 8, and the swing arm 8 can rotate on the upper end of the lifting rod 7. Two side rods 15 are respectively located on both sides of the lifting cylinder 4.

[0025] The working method of the present invention is as follows: the tail frame is placed on the support platform 1, and the operator pushes the horizontal pushing handle 12 forward so that the two side support rods 15 and the limit platform 2 are clamped on the two connecting pipes 19 to limit the tail frame laterally. Then the rotary handle 17 is screwed into the slot 3 so that the horizontal pushing handle 12 is stuck in the pushing hole 14. During this process, the swing arm 8 is gradually stuck in the jaws 9 under the guidance of the flaring section 10, so that the pressure block 6 rotates with the swing arm 8 to the top of the tail frame, and then the lifting cylinder 4 is started to move the pressure block 6 down to press on the tail frame plate 18, limiting the vertical position of the tail frame, thereby achieving the fixation of the tail frame; then the plate 20 with holes is placed on the pin of the limit platform 2, and the plate 20 is welded to the connecting pipe 19.

[0026] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. The tail frame push-up and press-close double limit mechanism is characterized by: The invention comprises a tail frame, a support platform (1), a limit platform (2), a push-up mechanism and a pressing mechanism; the push-up mechanism comprises a push rod (5) capable of transverse movement, the front end of which is horizontally opposite to the limit platform (2) for laterally clamping the tail frame; the pressing mechanism comprises a pressing block (6) capable of rising and falling, the pressing block (6) is vertically opposite to the support platform (1) for vertically clamping the tail frame; The pressing mechanism further comprises a lifting rod (7), and the pressing block (6) is rotatably mounted on the lifting rod (7) via a rotary arm (8), so that the pressing block (6) can be rotated to be opposite to or offset from the support platform (1); a jaw (9) is provided on the push rod (5), and the jaw (9) can be clamped on the rotary arm (8) as the push rod (5) moves forward to limit the angle of the pressing block (6) so that the pressing block (6) remains opposite to the support platform (1).

2. The tail rack push-up and press-fit double-limiting mechanism according to claim 1, characterized in that: The jaws (9) are divided into an expanding section (10) and a bayonet section (11) in sequence from the opening to the inside; the width of the bayonet section (11) is equivalent to the width of the rotary arm (8), so that the rotary arm (8) can be clamped in the bayonet section (11); the expanding section (10) gradually expands from the inside to the outside.

3. The tail rack push-up and press-fit double-limiting mechanism according to claim 1, characterized in that: The pushing mechanism further comprises a horizontal pushing handle (12) and a support (13); a pushing hole (14) is provided on the support (13); the horizontal pushing handle (12) is movably arranged in the pushing hole (14); the front end of the horizontal pushing handle (12) is connected to the push rod (5); the rear end of the horizontal pushing handle (12) is provided with a clamping assembly, and the horizontal pushing handle (12) can be clamped in the pushing hole (14) through the clamping assembly.

4. The tail rack push-up and press-fit double-limiting mechanism according to claim 3, characterized in that: The lifting rod (7) is located between the support platform (1) and the pushing mechanism, and the limiting platform (2) and the pushing mechanism are respectively located on both sides of the support platform (1); the front end of the push rod (5) is bifurcated into two side support rods (15) and an upper support rod (16); the front end of the upper support rod (16) is provided with two clamp arms, and the clamp mouth (9) is between the two clamp arms; the two side support rods (15) are respectively located on the left and right sides of the upper support rod (16), and when the push rod (5) moves forward, the front ends of the two side support rods (15) form a clamping fit with the limiting platform (2).

5. The tail rack push-up and press-fit double-limiting mechanism according to claim 4, characterized in that: The tail frame is composed of a tail frame plate (18) and two connecting pipes (19) connected to the same side of the tail frame plate (18). The tail frame plate (18) is placed on the support platform (1) in a corresponding manner. The pressure block (6) and the support platform (1) vertically clamp the tail frame plate (18); the two side support rods (15) are respectively opposite to the two connecting pipes (19), and the front ends of the side support rods (15) are concave clamping grooves. The shape of the clamping grooves is consistent with the outer contour of the connecting pipes (19). The side support rods (15) and the limiting platform (2) horizontally clamp the connecting pipes (19).

6. The tail rack push-up and press-fit double-limiting mechanism according to claim 4, characterized in that: The clamping assembly includes a rotary handle (17), a rear end of the transverse push handle (12) is provided with a slot (3), the rotary handle (17) can be rotated in or out of the slot (3), and when the rotary handle (17) is rotated in the slot (3), the slot (3) is squeezed open, so that the transverse push handle (12) is clamped in the push hole (14).

7. The tail rack push-up and press-fit double-limiting mechanism according to claim 1, characterized in that: The pressing mechanism further comprises a lifting cylinder (4), the lower end of the lifting rod (7) is connected to the lifting cylinder (4), and the upper end of the lifting rod (7) is equipped with the rotary arm (8).

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