CN211664669U

CN211664669U - Lead screw drive pull rod swing arm synchronous lifting mechanism convenient to dismantle

Info

Publication number: CN211664669U
Application number: CN201921856149.4U
Authority: CN
Inventors: 梁春磊; 朱海元
Original assignee: Nanjing Angzhong Intelligent Technology Co ltd
Current assignee: Nanjing Angzhong Intelligent Technology Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-10-13
Anticipated expiration: 2029-10-31

Abstract

The utility model discloses a screw drive pull rod swing arm synchronous lifting gearing convenient to dismantle, including base and first slider, top one side of base is fixed with the support frame, the top opposite side of base is fixed with the hoisting frame. This screw drive pull rod swing arm synchronous lifting mechanism convenient to dismantle, be provided with dead lever and first flange, when needing to dismantle the change to lifting frame and plate supporting frame, rotate the ejector pin, the ejector pin produces relative movement through external screw thread and first flange, make the ejector pin keep away from first pull rod, later rotate first flange, first flange drives the dead lever and removes the baffle groove with the baffle, make dead lever and baffle separate through baffle groove and second flange, dismantle first pull rod and second pull rod, later dismantle the mounting bolt of lifting frame and plate supporting frame, make lifting frame and plate supporting frame drive the second pull rod and keep away from first pull rod, be convenient for dismantle lifting frame and plate supporting frame.

Description

Lead screw drive pull rod swing arm synchronous lifting mechanism convenient to dismantle

Technical Field

The utility model relates to an industrial production technical field specifically is a screw drive pull rod swing arm synchronous lifting gearing convenient to dismantle.

Background

The traditional automobile body welding line transmission mainly adopts the forms of manual auxiliary suspension mechanism, process trolley, lifting appliance, simple sliding and the like to carry out transmission among stations, and when products are transmitted, a screw rod driving pull rod swing arm synchronous lifting mechanism is needed to be used for transmitting articles.

Although the types and the number of the existing screw rod driving pull rod swing arm synchronous lifting mechanisms are very large, the existing screw rod driving pull rod swing arm synchronous lifting mechanisms still have certain problems, and certain inconvenience is brought to the use of the screw rod driving pull rod swing arm synchronous lifting mechanisms.

The synchronous lifting mechanism of current lead screw drive pull rod swing arm when using, in order to provide the transmission of different stations, need dismantle partial mechanism of lifting, current lifting mechanism dismantles comparatively loaded down with trivial details to can not adjust the starting height of layer board, can't satisfy the different demands of different stations, inconvenient use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a synchronous lifting gearing of lead screw drive pull rod swing arm convenient to dismantle to solve the synchronous lifting gearing of present lead screw drive pull rod swing arm that above-mentioned background art provided when using, in order to provide the transmission of different stations, need dismantle partial mechanism of lifting, current lifting gearing dismantles comparatively loaded down with trivial details, and can not adjust the originated height of layer board, can't satisfy the different demands of different stations, the problem of inconvenient use.

In order to achieve the above object, the utility model provides a following technical scheme: a lead screw driving pull rod swing arm synchronous lifting mechanism convenient to disassemble comprises a base and a first sliding block, wherein a supporting frame is fixed on one side of the top of the base, a lifting frame is fixed on the other side of the top of the base, a sliding frame is fixed on one side of the supporting frame, which is close to the lifting frame, wherein,

the bottom of the sliding frame is connected with a connecting frame in a sliding mode, the bottom of one side, away from the sliding frame, of the connecting frame is rotatably connected with a first pull rod, one side, away from the connecting frame, of the first pull rod is provided with a second pull rod, one side, close to the supporting frame, of the base is provided with a transmission motor, a transmission block is fixed to the bottom of the connecting frame, one side of the transmission motor is connected with a lead screw, the lead screw penetrates through the interior of the transmission block, one side, close to the connecting frame, of the sliding frame is provided with a first sliding groove, and the first sliding block is located on one side;

the top of the lifting frame is rotatably connected with a swing arm, the bottom of the swing arm is rotatably connected with a second pull rod, one side of the swing arm, which is far away from the second pull rod, is rotatably connected with a support rod, one side of the base, which is close to the lifting frame, is fixedly provided with a support plate frame, the top of the support plate frame, which is close to the support rod, is slidably connected with a support plate, the bottom of the support plate is fixedly connected with the support rod, one side of the support plate frame, which is close to the support plate, is provided with a second sliding groove, one side of the support plate frame, which is close to the second sliding groove, is fixedly provided with a second sliding;

a second connecting flange is fixed on one side of the second pull rod close to the first pull rod, a fixing rod groove penetrates through four sides of the second connecting flange, a baffle groove is formed in one side of the second connecting flange close to the fixing rod groove, a fixing rod is fixed on one side of the first connecting flange close to the fixing rod groove, a baffle is fixed at one end of the fixing rod far away from the first connecting flange, and an ejector rod penetrates through one side of the first connecting flange far away from the second connecting flange.

Preferably, the second pull rod is connected with the first pull rod through the first connecting rod, the one end that the first pull rod was kept away from to the first connecting rod is rotated and is connected with the dwang, one side that the first connecting rod was kept away from to the dwang is connected with the second connecting rod, the screw rod groove has been seted up to one side that the second connecting rod is close to the dwang, one side that the dwang is close to the screw rod groove is fixed with the screw rod.

Preferably, the first sliding groove and the side of the first sliding block are regarded as T-shaped, the inner dimension of the first sliding groove is matched with the outer dimension of the first sliding block, and the first sliding groove and the first sliding block form a sliding structure.

Preferably, the vertical distance from the first connecting flange to the baffle plate is equal to the thickness of the second connecting flange, and the outer diameter of the baffle plate is larger than the width of the fixing rod groove.

Preferably, the baffle slot is communicated with the fixing rod slot, and the inner diameter of the baffle slot is smaller than the outer diameter of the baffle.

Preferably, the number of the ejector rods is two, the 2 ejector rods are symmetrically arranged about a central axis of the first connecting flange, and the ejector rods and the first connecting flange form a thread structure through external threads.

Compared with the prior art, the beneficial effects of the utility model are that: this lead screw drive pull rod swing arm synchronous lifting gearing convenient to dismantle:

1. the fixing rod and the first connecting flange are arranged, when the lifting frame and the supporting plate frame need to be disassembled and replaced, the ejector rod is rotated, the ejector rod and the first connecting flange generate relative movement through external threads, the ejector rod is far away from the first pull rod, then the first connecting flange is rotated, the first connecting flange drives the fixing rod and the baffle plate to move to the baffle plate groove, the fixing rod and the baffle plate are separated from the second connecting flange through the baffle plate groove, the first pull rod and the second pull rod are disassembled, then the mounting bolts of the lifting frame and the supporting plate frame are disassembled, the lifting frame and the supporting plate frame drive the second pull rod to be far away from the first pull rod, and the lifting frame and the supporting plate frame are convenient to disassemble;

2. the device is provided with a screw rod and a second connecting rod, when the initial height of the supporting plate needs to be adjusted, the rotating rod is rotated, the rotating rod drives the screw rod to rotate, the screw rod and the second connecting rod generate relative movement through external threads, the second pull rod is extended or shortened, the swing arm is pulled or pushed to rotate through the second pull rod, the swing arm drives the other end to rotate, the swing arm drives the supporting plate to move up and down through the supporting rod, and the initial height of the supporting plate can be adjusted;

3. be provided with first spout and first slider, when transmission motor drove the lead screw and rotates, the lead screw passed through the external screw thread and drove the transmission piece and remove, and the transmission piece drives the link and removes, and the link drives first slider and removes in first spout, through the sliding structure that first spout and first slider constitute, avoids the removal of link to produce the skew, avoids the transmission piece to be driven by the lead screw to produce simultaneously and rotates.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of a second connecting flange according to the present invention;

fig. 3 is a schematic view of a part of an enlarged structure at a in fig. 1 according to the present invention.

In the figure: 1. a base; 2. a support frame; 3. a lifting frame; 4. a carriage; 5. a first pull rod; 6. a second pull rod; 601. a first connecting rod; 602. rotating the rod; 603. a second connecting rod; 604. a screw channel; 605. a screw; 7. a drive motor; 8. a transmission block; 9. a screw rod; 10. a first chute; 11. a first slider; 12. swinging arms; 13. a strut; 14. a pallet frame; 15. a support plate; 16. a second chute; 17. A second slider; 18. a first connecting flange; 19. a second connecting flange; 20. a fixed rod slot; 21. a baffle slot; 22. fixing the rod; 23. a baffle plate; 24. a top rod; 25. and a connecting frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a lead screw driving pull rod swing arm synchronous lifting mechanism convenient to disassemble comprises a base 1, a support frame 2, a lifting frame 3, a sliding frame 4, a first pull rod 5, a second pull rod 6, a transmission motor 7, a transmission block 8, a lead screw 9, a first sliding chute 10, a first sliding block 11, a swing arm 12, a support rod 13, a support plate frame 14, a support plate 15, a second sliding chute 16, a second sliding block 17, a first connecting flange 18, a second connecting flange 19, a fixed rod groove 20, a baffle groove 21, a fixed rod 22, a baffle 23, a top rod 24 and a connecting frame 25, wherein the support frame 2 is fixed on one side of the top of the base 1, the lifting frame 3 is fixed on the other side of the top of the base 1, the sliding frame 4 is fixed on one side of the support frame 2 close to the lifting frame 3, and the connecting frame,

the bottom of the sliding frame 4 is connected with a connecting frame 25 in a sliding manner, the bottom of one side of the connecting frame 25 far away from the sliding frame 4 is rotatably connected with a first pull rod 5, one side of the first pull rod 5 far away from the connecting frame 25 is provided with a second pull rod 6, the second pull rod 6 is connected with the first pull rod 5 through a first connecting rod 601, one end of the first connecting rod 601 far away from the first pull rod 5 is rotatably connected with a rotating rod 602, one side of the rotating rod 602 far away from the first connecting rod 601 is connected with a second connecting rod 603, one side of the second connecting rod 603 close to the rotating rod 602 is provided with a screw rod 604, one side of the rotating rod 602 close to the screw rod 604 is fixed with a screw rod 605, one side of the base 1 close to the supporting frame 2 is provided with a transmission motor 7, the bottom of the connecting frame 25 is fixed with a transmission block 8, the screw 9 penetrates through the inside of the transmission block 8, a first sliding groove 10 is formed in one side, close to the connecting frame 25, of the sliding frame 4, the side view of the first sliding groove 10 and the side view of the first sliding block 11 are in a T shape, the inner size of the first sliding groove 10 is matched with the outer size of the first sliding block 11, the first sliding groove 10 and the first sliding block 11 form a sliding structure, when the transmission motor 7 drives the screw 9 to rotate, the screw 9 drives the transmission block 8 to move through external threads, the transmission block 8 drives the connecting frame 25 to move, the connecting frame 25 drives the first sliding block 11 to move in the first sliding groove 10, through the sliding structure formed by the first sliding groove 10 and the first sliding block 11, the situation that the movement of the connecting frame 25 generates deviation is avoided, meanwhile, the situation that the transmission block 8 is driven by the screw 9 to rotate is avoided, and the first sliding block 11 is located on one side;

the top of lifting frame 3 rotates and is connected with swing arm 12, the bottom and the second pull rod 6 of swing arm 12 rotate and are connected, swing arm 12 is kept away from one side of second pull rod 6 and is rotated and is connected with branch 13, one side that base 1 is close to lifting frame 3 is fixed with plate supporting frame 14, the top sliding connection that plate supporting frame 14 is close to branch 13 has layer board 15, the bottom and the branch 13 fixed connection of layer board 15, layer supporting frame 14 is close to one side of layer board 15 and has seted up second spout 16, one side that plate supporting frame 14 is close to second spout 16 is fixed with second slider 17, one side that first pull rod 5 is close to second pull rod 6 rotates and is connected with first connecting flange 18, the perpendicular distance of first connecting flange 18 to baffle 23 equals with the thickness of second connecting flange 19, and the external diameter of baffle 23 is greater than the width of fixed rod groove 20, after dead lever 22 runs through fixed rod groove 20, the baffle plate 23 can prop against one side of the second connecting flange 19 far away from the first connecting flange 18, so that the first connecting flange 18 and the second connecting flange 19 are prevented from shaking after being fixedly connected;

a second connecting flange 19 is fixed on one side of the second pull rod 6 close to the first pull rod 5, a fixing rod groove 20 penetrates through the four sides of the second connecting flange 19, a baffle groove 21 is formed on one side of the second connecting flange 19 close to the fixing rod groove 20, the baffle groove 21 is communicated with the fixing rod groove 20, the inner diameter of the baffle groove 21 is smaller than the outer diameter of the baffle 23, when the first connecting flange 18 and the second connecting flange 19 are installed, the first connecting flange 18 drives the fixing rod 22 and the baffle 23 to penetrate through the inner part of the baffle groove 21, then the first connecting flange 18 is rotated, the first connecting flange 18 drives the fixing rod 22 to rotate to enter the inner part of the fixing rod groove 20, the baffle 23 is abutted against one side of the second connecting flange 19 far away from the first connecting flange 18, the first connecting flange 18 and the second connecting flange 19 are pre-fixed conveniently, a fixing rod 22 is fixed on one side of the first connecting flange 18 close to the fixing rod groove 20, a baffle 23 is fixed at one end of the fixing rod 22 far away from the first connecting flange 18, a top rod 24 penetrates through one side of the first connecting flange 18 far away from the second connecting flange 19, the number of the ejector rods 24 is two, and 2 ejector rods 24 are symmetrically arranged around the central axis of the first connecting flange 18, and the top rod 24 forms a thread structure with the first connecting flange 18 through external threads, when the first connecting flange 18 rotates, the first connecting flange 18 drives the fixing rod 22 to rotate and enter the fixing rod groove 20, and after the baffle 23 props against the second connecting flange 19 and is far away from one side of the first connecting flange 18, the ejector rod 24 is rotated, the ejector rod 24 and the first connecting flange 18 generate relative movement through external threads, so that the ejector rod 24 abuts against the first pull rod 5, the first connecting flange 18 is prevented from continuing to rotate, the fixing rod 22 is prevented from moving out of the fixing rod groove 20, and the first connecting flange 18 and the second connecting flange 19 are conveniently fixed.

The working principle is as follows: when the lead screw driving pull rod swing arm synchronous lifting mechanism convenient to disassemble is used, firstly, when the lifting frame 3 and the supporting plate frame 14 need to be disassembled and replaced, the ejector rod 24 is rotated, the ejector rod 24 and the first connecting flange 18 generate relative movement through external threads, the ejector rod 24 is far away from the first pull rod 5, then the first connecting flange 18 is rotated, the first connecting flange 18 drives the fixing rod 22 and the baffle plate 23 to move to the baffle plate groove 21, the fixing rod 22 and the baffle plate 23 are separated from the second connecting flange 19 through the baffle plate groove 21, the first pull rod 5 and the second pull rod 6 are disassembled, then the mounting bolts of the lifting frame 3 and the supporting plate frame 14 are disassembled, the lifting frame 3 and the supporting plate frame 14 drive the second pull rod 6 to be far away from the first pull rod 5, the lifting frame 3 and the supporting plate frame 14 are disassembled, then the lifting frames 3 and the supporting plate frames 14 of other types are mounted, the first connecting flange 18 drives the fixing rod 22 and the baffle plate 23 to penetrate through the inner part of the baffle plate, then the first connecting flange 18 is rotated, the first connecting flange 18 drives the fixing rod 22 to rotate and enter the inside of the fixing rod groove 20, the baffle plate 23 is abutted against one side of the second connecting flange 19 far away from the first connecting flange 18, then the ejector rod 24 is rotated reversely, the ejector rod 24 and the first connecting flange 18 generate relative movement through external threads, the ejector rod 24 is abutted against the first pull rod 5, the first connecting flange 18 is prevented from continuing to rotate, the fixing rod 22 is prevented from moving out of the fixing rod groove 20, the first connecting flange 18 and the second connecting flange 19 are conveniently fixed, when the initial height of the supporting plate 15 needs to be adjusted, the rotating rod 602 is rotated, the rotating rod 602 drives the screw rod 605 to rotate, the screw rod 605 and the second connecting rod 603 generate relative movement through external threads, the second pull rod 6 is extended or shortened, the swing arm 12 is pulled or pushed by the second pull rod 6 to rotate, and the swing arm 12 drives the other end to rotate, the swing arm 12 drives the supporting plate 15 to move up and down through the supporting rod 13, the initial height of the supporting plate 15 is adjusted, and then when the supporting plate 15 is needed to support a heavy object, the article is placed on the supporting plate 15, then the transmission motor 7 drives the screw rod 9 to rotate, the screw rod 9 drives the transmission block 8 to move through the external thread, the transmission block 8 drives the connecting frame 25 to move, the connecting frame 25 drives the first sliding block 11 to move in the first sliding groove 10, the connecting frame 25 drives the first pull rod 5 and the second pull rod 6 to move towards the sliding frame 4, the second pull rod 6 drives the swing arm 12 to rotate, one end, far away from the second pull rod 6, of the swing arm 12 drives the supporting plate 15 to move upwards through the supporting rod 13, the supporting plate 15 drives the second sliding block 17 to move upwards in the second sliding groove 16, and the supporting plate 15 supports the article to lift upwards.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a screw drive pull rod swing arm synchronous lifting gearing convenient to dismantle, includes base (1) and first slider (11), its characterized in that: a supporting frame (2) is fixed on one side of the top of the base (1), a lifting frame (3) is fixed on the other side of the top of the base (1), a sliding frame (4) is fixed on one side of the supporting frame (2) close to the lifting frame (3), wherein,

the bottom of the sliding frame (4) is connected with a connecting frame (25) in a sliding mode, the bottom of one side, away from the sliding frame (4), of the connecting frame (25) is rotatably connected with a first pull rod (5), one side, away from the connecting frame (25), of the first pull rod (5) is provided with a second pull rod (6), one side, close to the support frame (2), of the base (1) is provided with a transmission motor (7), the bottom of the connecting frame (25) is fixedly provided with a transmission block (8), one side of the transmission motor (7) is connected with a lead screw (9), the lead screw (9) penetrates through the interior of the transmission block (8), one side, close to the connecting frame (25), of the sliding frame (4) is provided with a first sliding groove (10), and the first sliding block (11) is located on one side, close to the first sliding groove (10);

the top of the lifting frame (3) is rotatably connected with a swing arm (12), the bottom of the swing arm (12) is rotatably connected with a second pull rod (6), one side, far away from the second pull rod (6), of the swing arm (12) is rotatably connected with a supporting rod (13), one side, close to the lifting frame (3), of the base (1) is fixedly provided with a supporting plate frame (14), the top, close to the supporting rod (13), of the supporting plate frame (14) is slidably connected with a supporting plate (15), the bottom of the supporting plate (15) is fixedly connected with the supporting rod (13), one side, close to the supporting plate (15), of the supporting plate frame (14) is provided with a second sliding groove (16), one side, close to the second sliding groove (16), of the supporting plate frame (14) is fixedly provided with a second sliding block (17), and one side, close to the second pull rod (6), of the first pull rod (5) is rotatably;

a second connecting flange (19) is fixed on one side, close to the first pull rod (5), of the second pull rod (6), fixing rod grooves (20) penetrate through four sides of the second connecting flange (19), a baffle groove (21) is formed in one side, close to the fixing rod grooves (20), of the second connecting flange (19), a fixing rod (22) is fixed on one side, close to the fixing rod grooves (20), of the first connecting flange (18), a baffle (23) is fixed at one end, far away from the first connecting flange (18), of the fixing rod (22), and an ejector rod (24) penetrates through one side, far away from the second connecting flange (19), of the first connecting flange (18).

2. The lead screw drive pull rod swing arm synchronous lifting mechanism convenient to disassemble as claimed in claim 1, is characterized in that: second pull rod (6) include head rod (601), dwang (602), second connecting rod (603), screw rod groove (604) and screw rod (605), second pull rod (6) are connected with first pull rod (5) through head rod (601), the one end that first pull rod (5) were kept away from in head rod (601) is rotated and is connected with dwang (602), one side that head rod (601) were kept away from in dwang (602) is connected with second connecting rod (603), screw rod groove (604) have been seted up to one side that second connecting rod (603) are close to dwang (602), one side that dwang (602) are close to screw rod groove (604) is fixed with screw rod (605).

3. The lead screw drive pull rod swing arm synchronous lifting mechanism convenient to disassemble as claimed in claim 1, is characterized in that: the side views of the first sliding chute (10) and the first sliding block (11) are T-shaped, the inner size of the first sliding chute (10) is matched with the outer size of the first sliding block (11), and the first sliding chute (10) and the first sliding block (11) form a sliding structure.

4. The lead screw drive pull rod swing arm synchronous lifting mechanism convenient to disassemble as claimed in claim 1, is characterized in that: the vertical distance from the first connecting flange (18) to the baffle plate (23) is equal to the thickness of the second connecting flange (19), and the outer diameter of the baffle plate (23) is larger than the width of the fixing rod groove (20).

5. The lead screw drive pull rod swing arm synchronous lifting mechanism convenient to disassemble as claimed in claim 1, is characterized in that: the baffle groove (21) is communicated with the fixing rod groove (20), and the inner diameter of the baffle groove (21) is smaller than the outer diameter of the baffle (23).

6. The lead screw drive pull rod swing arm synchronous lifting mechanism convenient to disassemble as claimed in claim 1, is characterized in that: the number of the ejector rods (24) is two, the 2 ejector rods (24) are symmetrically arranged around the central axis of the first connecting flange (18), and the ejector rods (24) and the first connecting flange (18) form a threaded structure through external threads.