CN216829738U

CN216829738U - Fixture for fixing small parts

Info

Publication number: CN216829738U
Application number: CN202123434286.9U
Authority: CN
Inventors: 曹倩; 曹学雷
Original assignee: Hebei Domc Machinery Technology Co ltd
Current assignee: Hebei Domc Machinery Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-06-28
Anticipated expiration: 2031-12-30

Abstract

The utility model relates to the technical field of clamps, and provides a clamp for fixing small parts, which does not need to be manually clamped and fixed during use, and comprises a bottom plate, wherein the top end of the bottom plate is provided with a first motor, the top end of the bottom plate is connected with two supporting plates, a lifting screw rod is rotatably connected between the two supporting plates, the lifting screw rod is connected with a first bevel gear, the output end of the first motor is connected with a driving bevel gear, the lifting screw rod is in threaded connection with a supporting frame, the top ends of the two supporting frames are slidably connected with a sliding block through connecting rods, the two sliding blocks are respectively connected with hinged seats, the top ends of the two connecting rods are respectively rotatably connected in the two hinged seats, the two connecting rods are respectively connected with a rotating seat, the two rotating seats are respectively rotatably connected with a sliding rod, the top ends of the two sliding rods are respectively connected with a clamping block, the top ends of the two supporting plates are connected with a top plate, and the top end of the top plate is provided with two sliding ports, the two clamping blocks are respectively connected in the two sliding ports in a sliding manner.

Description

Fixture for fixing small parts

Technical Field

The utility model relates to a fixture technical field, concretely relates to fixed fixture of using of small-size part.

Background

As is well known, a clamp is an important component of a numerical control machining center, small parts are fixed on the accurate position of a machine tool through the clamp to complete various machining on the small parts, the quality of the structure of the clamp has important influence on machining precision and machining efficiency, and not only accurate walking but also reliable clamping needs to be realized.

Through the retrieval, chinese patent application number is CN 201922122279.1's utility model patent discloses a little miniature thin slice class part vacuum fixture, its approximate description does, including fixture base, fixture base is the cuboid structure, a plurality of fixture fixed slot has been seted up to fixture base upper end rectangular array, vacuum breathing pipe of fixture base front end middle part fixedly connected with, the one end that fixture base was kept away from to vacuum breathing pipe is provided with a breather hose, vacuum breathing pipe and breather hose surface alternate a fastener of fixedly connected with jointly, the part that fixture base is located fixture fixed slot below is provided with a vacuum suction chamber, and it when using, can avoid leading to part departure in the course of working because the clamping reason.

Although the part flying out in the machining process caused by the clamping reason can be avoided by the technical scheme, the clamping fixture needs to be manually clamped and fixed when in use, time and labor are wasted, and the clamping effect is poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a be not enough to prior art, the utility model provides a small-size part is fixed and is used fixture to it needs manual when using to press from both sides tightly fixed, wastes time and energy, presss from both sides the relatively poor problem of tight effect to solve prior art that proposes in the background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a fixture for fixing small parts comprises a bottom plate, wherein a first motor is installed at the top end of the bottom plate, two supporting plates are fixedly connected at the top end of the bottom plate, a lifting screw rod is rotatably connected between the two supporting plates, a first bevel gear is fixedly connected to the lifting screw rod, a driving bevel gear is fixedly connected to the output end of the first motor and meshed with the first bevel gear, a supporting frame is in threaded connection with the lifting screw rod, connecting rods are rotatably connected to the top ends of the two supporting frames, sliding grooves are formed in the two supporting plates, sliding blocks are slidably connected in the two sliding grooves, hinge seats are fixedly connected to the two sliding blocks, the top ends of the two connecting rods are respectively rotatably connected to the two hinge seats, rotating seats are fixedly connected to the two connecting rods, and sliding rods are rotatably connected to the two rotating seats, the top of two slide bars all fixedly connected with presss from both sides tight piece, two the top fixedly connected with roof of backup pad, two sliding exits have been seted up to the top of roof, two press from both sides tight piece sliding connection respectively in two sliding exits.

Preferably, the two support plates are welded on the top end of the bottom plate.

Furthermore, the top end of the bottom plate is fixedly connected with a protective shell.

Still further, the top end of the top plate is fixedly connected with a hoisting ring.

As a further scheme of the scheme, a maintenance opening is formed in the front end of the protective shell, and a protective door is hinged to the maintenance opening.

As a further scheme of the scheme, the top end of the bottom plate is fixedly connected with a fixed plate, a rotating opening is formed in the fixed plate, and the lifting screw is rotatably connected to the rotating hole.

On the basis of the scheme, the bottom four corners of the bottom plate are fixedly connected with supporting legs.

On the basis of the scheme, the anti-skidding gasket is fixedly connected to the bottom ends of the supporting legs.

(III) advantageous effects

Compared with the prior art, the utility model provides a small-size part is fixed and is used fixture possesses following beneficial effect:

the utility model discloses in, the first motor through the top installation of bottom plate rotates to the output fixed connection's that drives of driving first motor drives bevel gear and the first bevel gear of fixed connection on the lifting screw rod and meshes, thereby the top that drives the support frame rotates the connecting rod of connection and carries out elevating movement, thereby the top that drives the slide bar rotates the tight piece of clamp of connection and presss from both sides tight operation, consequently, this fixed fixture of using of small-size part need not manually to press from both sides it tightly fixedly when using, and is labour saving and time saving, and it is better to press from both sides tight effect.

Drawings

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

FIG. 2 is a schematic view of the three-dimensional structure of the bottom plate, the lifting screw and the supporting frame of the present invention;

fig. 3 is a schematic view of a partial enlarged structure at a in fig. 2 according to the present invention;

fig. 4 is a schematic diagram of a partial enlarged structure at B in fig. 2 according to the present invention.

In the figure: 1. a base plate; 2. a first motor; 3. a support plate; 4. a lifting screw; 5. a first bevel gear; 6. a drive bevel gear; 7. a support frame; 8. a connecting rod; 9. a hinged seat; 10. a rotating seat; 11. a slide bar; 12. a clamping block; 13. a top plate; 14. A protective shell; 15. hoisting a ring; 16. a protective door; 17. a fixing plate; 18. and (5) supporting legs.

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 efforts all belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, a small part fixing clamp comprises a bottom plate 1, wherein four corners of the bottom plate 1 are fixedly connected with supporting legs 18 for supporting the bottom plate to work, the bottom ends of a plurality of supporting legs 18 are fixedly connected with anti-slip gaskets for preventing the bottom plate from slipping during work, the top end of the bottom plate 1 is fixedly connected with a fixing plate 17, a rotating opening is formed in the fixing plate 17, a lifting screw 4 is rotatably connected with the rotating opening for increasing the stability of the lifting screw 4 during rotation, the top end of the bottom plate 1 is fixedly connected with a protective shell 14 for preventing workers from being injured when the internal structure of the bottom plate operates, the front end of the protective shell 14 is provided with a maintenance opening, a protective door 16 is hinged at the maintenance opening for facilitating the maintenance operation of the interior of the bottom plate, a first motor 2 is installed at the top end of the bottom plate 1, and two supporting plates 3 are fixedly connected with the top end of the bottom plate 1, the two supporting plates 3 are welded at the top end of the bottom plate 1 so as to be easy to operate when connected, the integral connecting strength is high, the stability when connected is good, the service life is long, a lifting screw 4 is rotatably connected between the two supporting plates 3, a first bevel gear 5 is fixedly connected to the lifting screw 4, a driving bevel gear 6 is fixedly connected to the output end of the first motor 2, the driving bevel gear 6 is meshed with the first bevel gear 5, a supporting frame 7 is connected to the lifting screw 4 through threads, connecting rods 8 are rotatably connected to the top ends of the two supporting frames 7, sliding grooves are formed in the two supporting plates 3, sliding blocks are slidably connected in the two sliding grooves, hinged seats 9 are fixedly connected to the two sliding blocks, the top ends of the two connecting rods 8 are rotatably connected in the two hinged seats 9 respectively, rotating seats 10 are fixedly connected to the two connecting rods 8, and sliding rods 11 are rotatably connected in the two rotating seats 10, the equal fixedly connected with in top of two slide bars 11 presss from both sides tight piece 12, the top fixedly connected with roof 13 of two backup pads 3, the top fixedly connected with hoisting ring 15 of roof 13 to it hoists the operation when the transportation, and two sliding exits have been seted up on the top of roof 13, and two are complained and are found fox and press from both sides tight piece 12 and slide connection in two sliding exits respectively.

It should be further noted that the first motor 2 in this embodiment is a conventional device purchased from the market and known to those skilled in the art, and the model can be selected or customized according to actual needs, in this patent, we only use it, and do not improve its structure and function, and its setting mode, installation mode, and electrical connection mode are set, for those skilled in the art, it is only necessary to perform debugging operations according to the requirements of their usage specifications, and they are not described herein again, and the first motor 2 is provided with a control switch matched with it, and the installation position of the control switch is selected according to the actual needs, so that the operation and control of an operator are facilitated.

In conclusion, when the small part fixing clamp is used, the small part fixing clamp is firstly placed at a required use place, the first motor 2 is connected with a forward and reverse circuit according to the specification, then the first motor 2 is started, the first motor 2 installed at the top end of the bottom plate 1 rotates, the driving bevel gear 6 fixedly connected with the output end of the first motor 2 is driven to be meshed with the first bevel gear 5 fixedly connected with the lifting screw rod 4, the connecting rod 8 rotatably connected with the top end of the supporting frame 7 is driven to move up and down, and the clamping block 12 rotatably connected with the top end of the sliding rod 11 is driven to perform sliding clamping operation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A fixture for fixing small parts comprises a bottom plate (1) and is characterized in that a first motor (2) is installed at the top end of the bottom plate (1), two supporting plates (3) are fixedly connected to the top end of the bottom plate (1), a lifting screw (4) is rotatably connected between the two supporting plates (3), a first bevel gear (5) is fixedly connected to the lifting screw (4), a driving bevel gear (6) is fixedly connected to the output end of the first motor (2), the driving bevel gear (6) is meshed with the first bevel gear (5), a supporting frame (7) is in threaded connection with the lifting screw (4), a connecting rod (8) is rotatably connected to the top ends of the two supporting frames (7), sliding grooves are formed in the two supporting plates (3), sliding blocks are slidably connected in the two sliding grooves, and hinge seats (9) are fixedly connected to the two sliding blocks, two the top of connecting rod (8) rotates respectively to be connected in two articulated seats (9), two equal fixedly connected with rotates seat (10), two on connecting rod (8) rotate in seat (10) and all rotate and be connected with slide bar (11), two the equal fixedly connected with in top of slide bar (11) presss from both sides tight piece (12), two the top fixedly connected with roof (13) of backup pad (3), two sliding opening, two have been seted up on the top of roof (13) it is interior at two sliding opening to press from both sides tight piece (12) sliding connection respectively.

2. A small parts holding jig according to claim 1, wherein both of said support plates (3) are welded to the top end of the base plate (1).

3. A clip for fastening small parts according to claim 2, wherein a protective shell (14) is fixedly attached to the top end of the base plate (1).

4. A fixture for fixing small parts according to claim 3, wherein a lifting ring (15) is fixedly attached to the top end of the top plate (13).

5. A small part fixing clamp according to claim 4, wherein a maintenance opening is formed at the front end of the protective shell (14), and a protective door (16) is hinged at the maintenance opening.

6. The small part fixing clamp according to claim 5, wherein a fixing plate (17) is fixedly connected to the top end of the base plate (1), a rotating opening is formed in the fixing plate (17), and the lifting screw (4) is rotatably connected to the rotating opening.

7. The small part fixing clamp according to claim 6, wherein the four corners of the bottom plate (1) are fixedly connected with support legs (18).

8. The small part fixing jig according to claim 7, wherein a plurality of the support legs (18) are each fixedly connected at a bottom end thereof with an anti-slip gasket.