CN214055321U

CN214055321U - Telescopic mechanical fixture

Info

Publication number: CN214055321U
Application number: CN202022473918.1U
Authority: CN
Inventors: 孔灼均
Original assignee: Guangdong Bailichuang Material Co ltd
Current assignee: Guangdong Bailichuang Material Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-08-27
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a telescopic mechanical fixture belongs to the mechanical equipment field. Including base and square pipe, two spacing holes have been seted up to the upper end of base, it is connected with second lead screw and first lead screw to rotate respectively in the inner wall about the base, spacing hole is pegged graft and is had the fixed block, the fixed block on left and right sides respectively with second lead screw and first lead screw threaded connection, the fixed block upper end is connected with the clamping jaw, the left end of first lead screw and the right-hand member of second lead screw respectively with two first bevel gear fixed connection, two stoppers of base fixed connection, the stopper overlaps respectively and is established on the circumference surface of first lead screw and second lead screw, it is connected with the connecting rod to rotate in the hole, connecting rod upper end fixedly connected with second bevel gear, the first motor of connecting rod lower extreme fixed connection, the clamp of clamping jaw is pressed from both sides tightly and is loosened by first motor automatic control, the manpower is saved, the safety risk that human operation probably exists has been avoided simultaneously.

Description

Telescopic mechanical fixture

Technical Field

The utility model relates to a mechanical equipment field, more specifically say, relate to a telescopic mechanical fixture.

Background

The jig is a device for fixing a machining object to a correct position for construction or inspection in a machine manufacturing process, and broadly speaking, in any process in a process, a device for quickly, conveniently and safely installing a workpiece is called a jig, and the jig generally comprises a positioning element for determining the correct position of the workpiece in the jig, a clamping device, a tool setting guide element for determining the relative position of a tool and the workpiece or guiding the direction of the tool, an indexing device for completing machining of a plurality of stations even if the workpiece is installed at one time, a rotary indexing device and a linear movement indexing device, a connecting element, a jig base and the like.

Most of the clamping jaws of the existing mechanical clamp are manually operated to place objects between the clamping jaws, then the clamping jaws are controlled through lead screw transmission to clamp the objects tightly, manpower is consumed, certain safety risks are accompanied, the length of the mechanical arm of the clamp is fixed, and the clamp is not suitable for occasions requiring mechanical arms with different lengths.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a telescopic mechanical fixture, it can be through the closed and unclamp of motor automatic control splint, the side pipe of anchor clamps and the flexible also can be by motor automatic control of stock simultaneously.

2. Technical scheme

In order to solve the above problem, the utility model adopts the following technical scheme:

a telescopic mechanical fixture comprises a base and a square tube, wherein two limiting holes are formed in the upper end of the base, a second lead screw is rotatably connected in the left inner wall of the base, a first lead screw is rotatably connected in the right inner wall of the base, a fixing block is movably inserted in each limiting hole, the left fixing block is in threaded connection with the second lead screw, the right fixing block is in threaded connection with the first lead screw, a clamping jaw is fixedly connected to the upper end of the fixing block, a first bevel gear is fixedly connected to the left end of the first lead screw, the right end of the second lead screw is fixedly connected with another first bevel gear, two limiting blocks are fixedly connected between the upper inner wall and the lower inner wall of the base, the limiting blocks are respectively sleeved on the circumferential surfaces of the first lead screw and the second lead screw, a rotating hole is formed in the center of the lower end of the base, and a connecting rod is rotatably connected in the rotating hole, the connecting rod is located the inboard upper end fixedly connected with second conical gear of base, second conical gear is connected with two first conical gear meshing, the lower extreme fixedly connected with first motor of connecting rod position in the base outside.

As a preferred scheme of the utility model, the clamping jaw is close to the one end fixedly connected with clamp pad of the vertical central line of base, the lower extreme fixedly connected with protective housing of base, a plurality of louvres have been seted up on the inner wall about the protective housing.

As a preferred scheme of the utility model, the round hole has been seted up to the upper end of side's pipe, the activity is pegged graft in the round hole and is had the stock, the lower extreme of protective housing and the upper end fixed connection of stock, the right-hand member of stock is dug there is the tooth's socket, fixedly connected with rack on the left inner wall of tooth's socket, the left end fixedly connected with square shell of side's pipe, fixedly connected with second motor on the back inner wall of square shell, fixedly connected with dwang on the output shaft of second motor, the upper end fixedly connected with spur gear of dwang, rack and spur gear meshing are connected.

As a preferred scheme of the utility model, the stock is located the inboard lower extreme fixedly connected with sliding block of side's pipe, it has the sliding tray to cut on the left inner wall of side's pipe, the left end of sliding block is pegged graft in the activity of sliding tray.

As the utility model discloses a preferred scheme, a plurality of louvres have been seted up to the right-hand member of square shell, rectangular hole has been seted up to the right-hand member of side's pipe, the spur gear rotates in rectangular hole.

As an optimized proposal of the utility model, the lower end of the square tube is fixedly connected with a connecting ring.

3. Advantageous effects

Compared with the prior art, the utility model provides a telescopic mechanical fixture has following beneficial effect:

(1) this telescopic mechanical fixture, clamping jaw department install the very big clamp pad of frictional force, can increase the frictional force to the centre gripping object, and the clamping of clamping jaw is tight simultaneously and is loosened by motor automatic control, has saved the manpower, has avoided the safety risk that manual operation probably exists simultaneously.

(2) This telescopic mechanical fixture, the flexible rotation that passes through the motor control gear of square pipe and stock, thereby drive the flexible of stock with rack toothing, simultaneously because the existence of sliding block for the stock can not rotate in square pipe, can keep the stable motion of stock.

(3) This telescopic mechanical fixture installs the position of motor and all is provided with the louvre for the motor can possess a better environment and carry out work, has prolonged the life of motor, and the go-between is installed to the bottom of side's pipe simultaneously, makes anchor clamps can insert mechanical operation platform.

Drawings

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

fig. 2 is an enlarged schematic structural view of fig. 1 a according to the present invention;

fig. 3 is a schematic view of a partial structure of the present invention.

The reference numbers in the figures illustrate:

1. a base; 2. a clamping jaw; 3. a clamping pad; 4. a limiting hole; 5. a fixed block; 6. a first lead screw; 7. a second lead screw; 8. a first conical gear; 9. a second conical gear; 10. a limiting block; 11. a connecting rod; 12. a first motor; 13. a protective shell; 14. a long rod; 15. a tooth socket; 16. a square tube; 17. a sliding groove; 18. a rack; 19. a slider; 20. a square shell; 21. a flat gear; 22. a second motor; 23. rotating the rod; 24. and (7) connecting rings.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-3, a telescopic mechanical fixture comprises a base 1 and a square tube 16, wherein the upper end of the base 1 is provided with two limiting holes 4, the left inner wall of the base 1 is rotatably connected with a second lead screw 7, the right inner wall of the base 1 is rotatably connected with a first lead screw 6, a fixed block 5 is movably inserted in each limiting hole 4, the fixed block 5 at the left side is in threaded connection with the second lead screw 7, the fixed block 5 at the right side is in threaded connection with the first lead screw 6, the upper end of the fixed block 5 is fixedly connected with a clamping jaw 2, the left end of the first lead screw 6 is fixedly connected with a first bevel gear 8, the right end of the second lead screw 7 is fixedly connected with another first bevel gear 8, two limiting blocks 10 are fixedly connected between the upper and lower inner walls of the base 1, the limiting blocks 10 are respectively sleeved on the circumferential surfaces of the first lead screw 6 and the second lead screw 7, the center of the lower end of the base 1 is provided with a rotating hole, the rotating hole is connected with a connecting rod 11 in a rotating mode, the connecting rod 11 is located at the upper end of the inner side of the base 1 and is fixedly connected with a second conical gear 9, the second conical gear 9 is meshed with the two first conical gears 8 and is connected with the lower end of the connecting rod 11 located on the outer side of the base 1 and is fixedly connected with a first motor 12.

In the embodiment of the present invention, the width of the limiting hole 4 is smaller than the width of the clamping jaw 2, the threads of the first lead screw 6 and the second lead screw 7 are opposite, when the first motor 12 works normally, the connecting rod 11 drives the second bevel gear 9 to rotate, the second bevel gear 9 is meshed with the two first bevel gears 8 and can simultaneously drive the two first bevel gears 8 to rotate, the two first bevel gears 8 respectively drive the first lead screw 6 and the second lead screw 7 to rotate, the stopper 10 is used for supporting and limiting the first lead screw 6 and the second lead screw 7, so that the first lead screw 6 and the second lead screw 7 cannot move, the threads of the first lead screw 6 and the second lead screw 7 are opposite, so that the two fixing blocks 5 always move in opposite directions, the upper end of the fixing block 5 is inserted into the limiting hole 4, so that the fixing block 5 cannot rotate along with the first lead screw 6 and the second lead screw 7, the clamping jaw 2 can only be attached or loosened by the aid of transverse movement of the two fixing blocks 5 in opposite directions through thread transmission, the clamping jaw 2 is automatically controlled to be clamped and loosened through the first motor 12, manpower is saved, and meanwhile safety risks possibly existing in manual operation are avoided.

Specifically please refer to fig. 1, one end of the clamping jaw 2 close to the vertical central line of the base 1 is fixedly connected with a clamping pad 3, the lower end of the base 1 is fixedly connected with a protective shell 13, and a plurality of heat dissipation holes are formed in the left and right inner walls of the protective shell 13.

In this embodiment, the frictional force of clamp pad 3 acts on the centre gripping object for clamping jaw 2 is more stable to the centre gripping of object, and the setting up of louvre makes first motor 12 can possess a better environment and carry out work, has prolonged first motor 12's life.

As shown in fig. 1 and 3, a round hole is formed in the upper end of the square tube 16, a long rod 14 is movably inserted into the round hole, the lower end of the protective shell 13 is fixedly connected with the upper end of the long rod 14, a tooth space 15 is formed in the right end of the long rod 14, a rack 18 is fixedly connected to the left inner wall of the tooth space 15, a square shell 20 is fixedly connected to the left end of the square tube 16, a second motor 22 is fixedly connected to the rear inner wall of the square shell 20, a rotating rod 23 is fixedly connected to the output shaft of the second motor 22, a flat gear 21 is fixedly connected to the upper end of the rotating rod 23, and the rack 18 is meshed with the flat gear 21.

In this embodiment, square pipe 16 is square, and the inside pipe is the cylinder space, and second motor 22 normal during operation drives the rotation of spur gear 21 through dwang 23, and spur gear 21 is connected with the meshing of rack 18 to drive stock 14 concertina movement.

Specifically, referring to fig. 1, the long rod 14 is fixedly connected to a sliding block 19 at the lower end of the inner side of the square tube 16, a sliding groove 17 is cut on the left inner wall of the square tube 16, and the left end of the sliding block 19 is movably inserted into the sliding groove 17.

In this embodiment, the one end of sliding tray 17 and the two side inner walls of sliding tray 17 are tightly laminated in the grafting of sliding block 19, and sliding tray 17 is pegged graft with sliding block 19's slip for stock 14 can not rotate in square pipe 16, can keep the stable motion of stock 14.

Specifically, as shown in fig. 1, the right end of the square housing 20 is provided with a plurality of heat dissipation holes, the right end of the square tube 16 is provided with a long hole, and the flat gear 21 rotates in the long hole.

In this embodiment, the heat dissipation holes located on the square housing 20 enable the second motor 22 to work in a better environment, which prolongs the service life of the second motor 22, and the strip holes are located on the inner side of the square housing 20.

Specifically, as shown in fig. 1, the lower end of the square tube 16 is fixedly connected with a connecting ring 24.

In this embodiment, the attachment ring 24 is provided to allow the device to be accessed from a mechanical console.

The working principle is as follows: the first motor 12 is started, when the first motor 12 works normally, the connecting rod 11 drives the second bevel gear 9 to rotate, the second bevel gear 9 is meshed with the two first bevel gears 8 and can simultaneously drive the two first bevel gears 8 to rotate, the two first bevel gears 8 respectively drive the first screw rod 6 and the second screw rod 7 to rotate, the limiting block 10 is used for supporting and limiting the first screw rod 6 and the second screw rod 7, so that the first screw rod 6 and the second screw rod 7 cannot move, the threads of the first screw rod 6 and the second screw rod 7 are opposite, so that the two fixing blocks 5 always move in opposite directions, the upper end of each fixing block 5 is inserted into the limiting hole 4, so that the fixing blocks 5 cannot rotate along with the first screw rod 6 and the second screw rod 7 and can only move transversely through thread transmission, the opposite directions of the two fixing blocks 5 move, and the clamping jaws 2 can only be attached or loosened, through the tight and loosen of first motor 12 automatic control clamping jaw 2, when having saved the manpower, the safety risk that manual operation probably exists has still been avoided, start second motor 22, when second motor 22 normally works, drive the rotation of spur gear 21 through dwang 23, spur gear 21 is connected with the meshing of rack 18, thereby drive stock 14 concertina movement, protective housing 13 and stock 14 fixed connection, thereby stock 14 can drive base 1 up-and-down motion, go-between 24's setting makes the device can insert mechanical operation platform, the utility model discloses a control mode is controlled through artifical start-up and closing switch, power element's wiring picture and the provision of power belong to the common general knowledge in this field, and the utility model discloses mainly be used for protecting mechanical device, so the utility model discloses no longer explain in detail control mode and wiring arrangement.

The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the improvement concept of the present invention within the technical scope disclosed in the present invention.

Claims

1. The utility model provides a telescopic mechanical fixture, includes base (1) and side pipe (16), its characterized in that: the upper end of the base (1) is provided with two limiting holes (4), a second screw rod (7) is rotatably connected in the left inner wall of the base (1), a first screw rod (6) is rotatably connected in the right inner wall of the base (1), a fixed block (5) is movably inserted in each limiting hole (4), the fixed block (5) on the left side is in threaded connection with the second screw rod (7), the fixed block (5) on the right side is in threaded connection with the first screw rod (6), the upper end of the fixed block (5) is fixedly connected with a clamping jaw (2), the left end of the first screw rod (6) is fixedly connected with a first conical gear (8), the right end of the second screw rod (7) is fixedly connected with another first conical gear (8), two limiting blocks (10) are fixedly connected between the upper inner wall and the lower inner wall of the base (1), and the limiting blocks (10) are respectively sleeved on the circumferential surfaces of the first screw rod (6) and the second screw rod (7), the lower extreme center department of base (1) has seted up and has rotated the hole, it has connecting rod (11) to rotate in the hole, connecting rod (11) are located base (1) inboard upper end fixedly connected with second conical gear (9), second conical gear (9) are connected with two first conical gear (8) meshing, connecting rod (11) are located the first motor of lower extreme fixedly connected with (12) in the base (1) outside.

2. A retractable mechanical clamp, as set forth in claim 1, wherein: clamping jaw (2) are close to one end fixedly connected with clamp pad (3) of the vertical central line of base (1), the lower extreme fixedly connected with protective housing (13) of base (1), a plurality of louvres have been seted up on the inner wall about protective housing (13).

3. A retractable mechanical clamp, as set forth in claim 2, wherein: the round hole has been seted up to the upper end of square pipe (16), activity grafting has stock (14) in the round hole, the lower extreme of protective housing (13) and the upper end fixed connection of stock (14), the right-hand member of stock (14) is opened and is dug tooth's socket (15), fixedly connected with rack (18) on the left inner wall of tooth's socket (15), the left end fixedly connected with square shell (20) of square pipe (16), fixedly connected with second motor (22) on the back inner wall of square shell (20), fixedly connected with dwang (23) on the output shaft of second motor (22), the upper end fixedly connected with spur gear (21) of dwang (23), rack (18) and spur gear (21) meshing connection.

4. A retractable mechanical clamp, as set forth in claim 3, wherein: stock (14) are located the inboard lower extreme fixedly connected with sliding block (19) of square pipe (16), it has sliding tray (17) to cut on the left inner wall of square pipe (16), the left end of sliding block (19) is pegged graft in sliding tray (17) activity.

5. A retractable mechanical clamp, as set forth in claim 3, wherein: the right end of the square shell (20) is provided with a plurality of heat dissipation holes, the right end of the square tube (16) is provided with a long hole, and the flat gear (21) rotates in the long hole.

6. A retractable mechanical clamp, as set forth in claim 1, wherein: the lower end of the square pipe (16) is fixedly connected with a connecting ring (24).