CN210189584U

CN210189584U - Workpiece clamping device suitable for mechanical equipment

Info

Publication number: CN210189584U
Application number: CN201920980740.4U
Authority: CN
Inventors: Debao Chen; 陈德宝
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-03-27
Anticipated expiration: 2029-06-26

Abstract

The utility model discloses a work piece clamping device suitable for mechanical equipment, including the base plate, the mutual parallel arrangement in both sides on the terminal surface has two curb plates before the base plate, lies in before the base plate and is provided with electric telescopic handle between two curb plates on the terminal surface, and electric telescopic handle's front end is provided with first centre gripping structure, the utility model relates to an anchor clamps technical field. This work piece clamping device suitable for mechanical equipment sets up two sets of clamp grooves, two sets of clamp grooves are in the different horizontal planes, there is the difference in height between two sets of clamp grooves, can carry two positions of work piece, make the work piece multiple spot atress, can use a set of clamp groove or use two sets of clamp grooves simultaneously respectively, can select according to the in-service use condition, through setting up electric telescopic handle, make first clamping structure can reciprocate, adjust a clamping device's height, adjust the distance between two sets of clamp grooves according to the size of work piece, guarantee to press from both sides the work piece clamp fixedly, stability is better, the work piece is difficult for moving about.

Description

Workpiece clamping device suitable for mechanical equipment

Technical Field

The utility model relates to an anchor clamps technical field specifically is a work piece clamping device suitable for mechanical equipment.

Background

The jig is a device for fixing a processing object to occupy a correct position for receiving construction or inspection in a machine manufacturing process, and is also called a jig. In a broad sense, any process in a process, a device for quickly, conveniently and safely mounting a workpiece, may be referred to as a fixture, such as a welding fixture, an inspection fixture, an assembly fixture, a machine tool fixture, etc., with machine tool fixtures being the most common and often referred to simply as fixtures.

Many anchor clamps of using at present only have a set of arm lock or set up a plurality of arm locks in a plane, because the work piece that needs the centre gripping probably has the size difference, the condition that the appearance differs, consequently the fixed effect of anchor clamps of a set of arm lock is general, stable effect is not good, it is not hard up easily in the centre gripping, when the longer work piece of centre gripping, the arm lock that only sets up in a plane can only carry the one end of work piece, because the size of work piece is longer, the work piece can take place the swing, the stability of work piece can not be guaranteed to the anchor clamps that only are provided with the arm lock in a plane, all there are.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a work piece clamping device suitable for mechanical equipment has solved current anchor clamps and has only a set of arm lock or set up a plurality of arm locks in a plane, and anchor clamps fixed effect is general, and stable effect is not good, and is not hard up easily in the centre gripping, and when the longer work piece of centre gripping, the one end of work piece can only be cliied to the arm lock that only sets up in a plane, because the size of work piece is longer, the wobbling problem can take place for the work piece.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a workpiece clamping device suitable for mechanical equipment comprises a base plate, two side plates are arranged on two sides of the front end surface of the base plate in parallel, an electric telescopic rod is arranged between the two side plates on the front end surface of the base plate, a first clamping structure is arranged at the front end of the electric telescopic rod, the first clamping structure comprises a transverse plate, a long groove is arranged on one side wall of the transverse plate, two moving strips are arranged on the front end surface of the transverse plate in parallel, one end of each moving strip is buckled and can be clamped into the long groove in a sliding manner, a first clamping groove is arranged on one surface opposite to each moving strip, a first motor is arranged on the other side of the front end face of the transverse plate, a first screw rod which sequentially penetrates through the two moving strips is fixedly connected to an output shaft of the first motor, and threads in opposite directions are arranged at two ends of the surface of the first screw rod; two both sides between the curb plate front end are parallel to each other and are provided with a bracing piece and a second lead screw, the second lead screw with the curb plate is connected for rotating, be provided with two sliding sleeves on the bracing piece slidable, two the equal fixedly connected with activity strip in inboard of sliding sleeve, two equal fixedly connected with second on the relative lateral wall of activity strip presss from both sides the groove, two the equal fixedly connected with threaded connection of the other end of activity strip is in thread bush on the second lead screw. And the two sides of the upper surface of the second screw rod are provided with threads in opposite directions, one end of the second screw rod is fixedly connected with a second motor, and the second screw rod is driven by the second motor.

Furthermore, a mounting seat is fixed on the rear end face of the substrate.

Furthermore, the number of the electric telescopic rods is at least two, and the electric telescopic rods are symmetrically distributed on the rear end face of the transverse plate.

Further, the two movable strips are respectively positioned at two ends of the surface of the first screw rod and are in threaded connection with the surface of the first screw rod.

Furthermore, one end of the first screw rod is rotatably connected with a fixing plate, and the fixing plate is fixed on the front end face of the transverse plate.

Further, the first clip groove and the second clip groove may be different sizes.

Furthermore, the supporting rod is fixed between the two side plates and is positioned on the same horizontal plane with the second screw rod.

Compared with the prior art, the beneficial effects of the utility model are that:

the two groups of clamping grooves are arranged and are positioned in different horizontal planes, and the height difference exists between the two groups of clamping grooves, so that two positions of a workpiece can be clamped, the workpiece is stressed in multiple points, and compared with the existing clamp which only has one group of clamping arms or a plurality of groups of clamping arms in one plane, the clamping grooves can be used respectively or simultaneously, so that the clamping grooves can be selected according to actual use conditions, the workpiece is ensured to be clamped and fixed, the stability is good, and the workpiece is not easy to move;

through setting up electric telescopic handle, make first clamping structure can reciprocate, thereby adjust first clamping device's height, can adjust the distance between two sets of double-layered grooves according to the size of work piece, when pressing from both sides tight shorter work piece, can remove first clamping structure to the height that is close to the second and presss from both sides the groove, use two sets of double-layered grooves simultaneously from the equidirectional clamp tightly, fixed effect is better, when the longer work piece of centre gripping, can rise first clamping structure, two sets of double-layered grooves press from both sides the one end and the middle part of tight work piece respectively, guarantee the stability of work piece, can not produce the swing, stability is higher.

Drawings

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

fig. 2 is a side view of a first clamping structure of the present invention;

fig. 3 is a bottom view of the first clamping structure of the present invention;

fig. 4 is a schematic structural diagram of the present invention.

In the figure: 1-base plate, 2-side plate, 3-electric telescopic rod, 4-first clamping structure, 41-transverse plate, 42-long groove, 43-moving strip, 44-first clamping groove, 45-first motor, 46-first screw rod, 5-supporting rod, 6-sliding sleeve, 7-moving strip, 8-thread sleeve, 9-second motor, 10-second screw rod, 11-second clamping groove and 12-mounting seat.

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. 1-4, the present invention provides a technical solution: a workpiece clamping device suitable for mechanical equipment comprises a base plate 1, wherein a mounting seat 12 is fixed on the rear end face of the base plate 1, and the mounting seat 12 can be mounted on the mechanical equipment through bolts and the like, so that the clamping device is fixedly mounted.

Two sides on the terminal surface are parallel to each other before base plate 1 and are provided with two curb plates 2, and two curb plates 2 have the same size, and the symmetry sets up on the terminal surface before base plate 1, lie in before base plate 1 on the terminal surface between two curb plates 2 and be provided with electric telescopic handle 3, electric telescopic handle 3's quantity is two at least, and symmetric distribution on the rear end face of diaphragm 41. The electric telescopic rod 3 can also be replaced by a push rod such as a hydraulic telescopic rod.

The front end of the electric telescopic rod 3 is provided with a first clamping structure 4, the electric telescopic rod 3 extends or shortens to drive the first clamping structure 4 to extend or retract, the position of the first clamping structure 4 can be adjusted, and the adjustment can be carried out according to different workpieces.

The first clamping structure 4 includes a horizontal plate 41, a side wall of the horizontal plate 41 is provided with a long groove 42, two moving strips 43 are arranged on the front end surface of the horizontal plate 41 in parallel, and one end of each of the two moving strips 43 is bent and slidably clamped into the inside of the long groove 42, so that the two moving strips 43 can freely move on the front end surface of the horizontal plate 41.

The long groove 42 is distributed along the length direction of the transverse plate 41 and is smaller than the length of the transverse plate 41, that is, two ends of the long groove 42 are in a closed state, so that the moving bar 7 is prevented from sliding out from one end when sliding in the long groove 42. The front end surface of the transverse plate 41 on the side provided with the long groove 42 is recessed relative to the rear end surface, that is, the width of the front end surface of the transverse plate 41 is smaller than that of the rear end surface, so that the outer side surface of the moving bar 7 is flush with the rear end surface of the transverse plate 41.

The two opposite sides of the two movable strips 43 are respectively provided with a first clamping groove 44, the two first clamping grooves 44 are arranged oppositely, when the two first clamping grooves are close to each other, a workpiece can be clamped and fixed, the other side of the front end face of the transverse plate 41 is provided with a first motor 45, an output shaft of the first motor 45 is fixedly connected with a first screw rod 46 which sequentially penetrates through the two movable strips 43, the first screw rod 46 is horizontally arranged, the two ends of the surface of the first screw rod 46 are provided with threads in opposite directions, and the two movable strips 43 are respectively positioned at the two ends of the surface of the first screw rod 46 and are in threaded connection with the surface of the first screw rod 46.

All be provided with horizontal distribution's screw hole in two removal strips 7, two removal strips 43 are located the different screw threads at the both ends on first lead screw 46 surface, the screw thread in the screw hole corresponds with the screw thread on the not equidirectional on first lead screw 46 surface respectively, when first motor 45 rotates, drive first lead screw 46 and rotate, thereby drive two removal strips 43 and remove along with first lead screw 46's rotation on first lead screw 46 surface, make two removal strips 43 be close to each other or keep away from each other, thereby drive two first double-layered grooves 44 and be close to each other or keep away from each other, the realization is tight or locking to the clamp of work piece.

One end of the first lead screw 46 is rotatably connected to a fixing plate, and the fixing plate is fixed on the front end surface of the transverse plate 41. The first lead screw 46 is supported and fixed.

The first motor 45 is a three-phase asynchronous motor, and can rotate forward and backward, so as to drive the first lead screw 46 to rotate forward and backward, and thus drive the two first clamping grooves 44 to approach each other or to move away from each other.

A support rod 5 and a second screw rod 10 are arranged in parallel on two sides between the front ends of the two side plates 2, the support rod 5 is fixed between the two side plates 2 and is positioned on the same horizontal plane with the second screw rod 10, so that the movable strip 7 arranged between the support rod 5 and the second screw rod 10 is horizontal.

The second screw rod 10 is rotatably connected with the side plate 2 and can rotate on the side plate 2. The support rod 5 is provided with two sliding sleeves 6 in a sliding manner, the inner sides of the two sliding sleeves 6 are fixedly connected with a movable strip 7, the opposite side walls of the two movable strips 7 are fixedly connected with second clamping grooves 11, the two second clamping grooves 11 are arranged oppositely, and a workpiece can be clamped in the two second clamping grooves 11 when the two second clamping grooves are close to each other. The other ends of the two movable strips 7 are fixedly connected with a thread sleeve 8 which is in threaded connection with a second screw rod 10. The movable bar 7 is arranged between the support bar 5 and the second screw rod 10 and is kept in a horizontal state in parallel with each other. Opposite-direction threads are arranged on two sides of the upper surface of the second screw rod 10, one end of the second screw rod 10 is fixedly connected with a second motor 9, and the second screw rod 10 is driven by the second motor 9.

Two thread bushings 8 are respectively arranged on the threads on two sides of the surface of the second screw rod 10 in different directions, and the threads inside the thread bushings are respectively matched with the thread directions on the surface of the second screw rod 10, so that when the second screw rod 10 rotates, the thread bushings 8 can move in the horizontal direction along the second screw rod 10 along with the rotation of the second screw rod 10, and accordingly the two movable strips 7 are driven to move, the sliding sleeve 6 at one end of each movable strip 7 slides on the supporting rod 5, and the movable strips 7 are supported.

The second motor 9 is a three-phase asynchronous motor, and can rotate forward and backward, so that the second screw rod 10 is driven to rotate forward and backward, two thread sleeves 8 are driven to be close to or away from each other, two movable strips 7 are driven to be close to or away from each other, two second clamping grooves 11 are driven to be close to or away from each other, and clamping and fixing of the workpiece are achieved.

The first clamping groove 44 and the second clamping groove 11 can be different in size or the same in size, and the shape of the workpiece to be clamped can be changed according to the requirement. The first clamping groove 44 and the second clamping groove 11 may be circular arc-shaped, long strip-shaped or in other different shapes.

In some embodiments, the first clamping grooves 44 and the second clamping grooves 11 may be in four directions on a horizontal plane, the two first clamping grooves 44 and the two second clamping grooves 11 are sequentially arranged at intervals and are respectively fixed at positions of 0 °, 90 °, 180 ° and 270 °, or may form other angles, the installation position of the first clamping structure 4 in the horizontal direction may be changed according to actual use requirements, the positions of the two first clamping grooves 44 in the horizontal direction are adjusted, a workpiece may be clamped and fixed from four directions, and the fixing effect is better.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A workpiece holding device for mechanical equipment, comprising a base plate (1), characterized in that: two side plates (2) are arranged on two sides of the front end face of the base plate (1) in parallel, an electric telescopic rod (3) is arranged between the two side plates (2) on the front end face of the base plate (1), a first clamping structure (4) is arranged at the front end of the electric telescopic rod (3), the first clamping structure (4) comprises a transverse plate (41), a long groove (42) is arranged on one side wall of the transverse plate (41), two moving strips (43) are arranged on the front end face of the transverse plate (41) in parallel, one ends of the two moving strips (43) are clamped into the long groove (42) in a bending and sliding mode, a first clamping groove (44) is arranged on one surface of the two moving strips (43) opposite to each other, a first motor (45) is arranged on the other side of the front end face of the transverse plate (41), and a first screw rod (46) which sequentially penetrates through the two moving strips (43) is fixedly connected to an output shaft of the first motor (45, threads in opposite directions are arranged at two ends of the surface of the first screw rod (46); two both sides between curb plate (2) front end are parallel to each other and are provided with a bracing piece (5) and a second lead screw (10), second lead screw (10) with curb plate (2) are connected for rotating, be provided with two sliding sleeve (6) on bracing piece (5) slidable, two the equal fixedly connected with activity strip (7) of inboard of sliding sleeve (6), two equal fixedly connected with second double-layered groove (11), two on the relative lateral wall of activity strip (7) the equal fixedly connected with threaded connection of the other end of activity strip (7) is in thread bush (8) on second lead screw (10).

2. The two sides of the upper surface of the second screw rod (10) are provided with threads in opposite directions, one end of the second screw rod (10) is fixedly connected with a second motor (9), and the second screw rod (10) is driven by the second motor (9).

3. A workpiece holding device adapted for use in a mechanical apparatus as defined in claim 1, wherein: and a mounting seat (12) is fixed on the rear end face of the substrate (1).

4. A workpiece holding device adapted for use in a mechanical apparatus as defined in claim 1, wherein: the number of the electric telescopic rods (3) is at least two, and the electric telescopic rods are symmetrically distributed on the rear end face of the transverse plate (41).

5. A workpiece holding device adapted for use in a mechanical apparatus as defined in claim 1, wherein: the two moving strips (43) are respectively positioned at two ends of the surface of the first screw rod (46) and are in threaded connection with the surface of the first screw rod (46).

6. A workpiece holding device adapted for use in a mechanical apparatus as defined in claim 1, wherein: one end of the first screw rod (46) is rotatably connected with a fixing plate, and the fixing plate is fixed on the front end face of the transverse plate (41).

7. A workpiece holding device adapted for use in a mechanical apparatus as defined in claim 1, wherein: the first clip groove (44) and the second clip groove (11) may be of different sizes.

8. A workpiece holding device adapted for use in a mechanical apparatus as defined in claim 1, wherein: the support rod (5) is fixed between the two side plates (2) and is positioned on the same horizontal plane with the second screw rod (10).