CN209632555U - Multi-purpose parts fixture - Google Patents

Abstract

The utility model discloses a kind of multi-purpose part clamps, are related to clamp art.The multi-purpose part clamp, including pedestal, the interconnecting piece for being used to grip the clamping part of part set on pedestal side and being used to be integrally attached to fixture on desktop set on the pedestal other side, pedestal includes be parallel to each other fixed the first connecting plate and the second connecting plate, interval is arranged and is fixed by fixed link between first connecting plate and the second connecting plate, retaining part is on the first connecting plate, connecting portion is between the first connecting plate and the second connecting plate, interconnecting piece includes two pieces of grip blocks for integrally fixing fixture for being parallel to each other and being located at the second connecting plate two sides, the actuator for driving two pieces of grip blocks relatively or contrarily to slide is equipped between two pieces of grip blocks, fixture can tively firm be fixed in processing on the table, avoid the shaking of fixture in process, reduce the generation of mismachining tolerance, reduce part processing When scrappage.

Description

Multi-purpose parts fixture

technical field

The utility model relates to the technical field of clamps, in particular to a multi-purpose parts clamp.

Background technique

Fixture refers to the device used to fix the processing object in the process of mechanical manufacturing so that it can occupy the correct position to accept construction or inspection, also known as fixture. In a broad sense, any process in the process, the device used to install the workpiece quickly, conveniently and safely, can be called a fixture.

The fixture usually consists of a positioning element (to determine the correct position of the workpiece in the fixture), a clamping device, a tool setting guide element (to determine the relative position of the tool and the workpiece or to guide the direction of the tool), and an indexing device (to enable the workpiece to be positioned in one installation. Complete the processing of several stations, there are two types of rotary indexing device and linear moving indexing device), connecting elements and clamp body (fixture base) and so on.

For example, welding fixtures, inspection fixtures, assembly fixtures, machine tool fixtures, etc. Among them, machine tool fixtures are the most common and are often referred to as fixtures. When processing a workpiece on a machine tool, in order to make the surface of the workpiece meet the technical requirements such as the size, geometric shape, and mutual position accuracy with other surfaces specified in the drawing, the workpiece must be installed (positioned) and clamped (clamped) before processing. .

According to the characteristics of use, the types of fixtures can be divided into: ①Universal universal fixtures. Such as machine vises, chucks, suction cups, dividing heads and rotary tables, etc.; ②Special fixtures. It is specially designed and manufactured for the clamping needs of a certain product part in a certain process. The service object is specific and highly targeted. It is generally designed by the product manufacturer itself; ③Adjustable fixture. A special fixture that can replace or adjust components; ④ Combined fixture. Fixtures composed of standardized components of different shapes, specifications and uses are suitable for single-piece, small-batch production and temporary tasks in new product trial production and frequent product replacement.

At present, the Chinese patent with the publication number CN207840749U discloses a clamp for metal parts, which includes a bracket and a lower clamping assembly arranged on the bracket, and the lower clamping assembly includes a first A wedge block and a second wedge block placed on the upper surface of the bracket and attached to the slope of the first wedge block, the second wedge block is vertically provided with a sliding assembly on the opposite side of the slope, and the upper surface of the bracket A rotating rod is hinged along a direction parallel to the sliding assembly;

The end of the rotating rod away from the bracket is vertically provided with a handle, the end of the sliding assembly away from the second wedge block and the end of the rotating rod far away from the bracket are hinged with an adjustment piece, when the When the rotating rod is close to the bracket, the adjustment piece is attached to the upper surface of the bracket, and the second wedge pushes the first wedge to the highest point.

Although this kind of clamp for metal parts has a lockable handle, so that the first wedge block and the second wedge block fit closely, but because the clamp is generally placed on the table when processing parts, the overall clamp is easy to shake when processing parts , will lead to machining errors and increase the scrap rate of parts after machining.

Utility model content

The utility model aims at the above-mentioned technical problems, overcomes the shortcomings of the prior art, and provides a multi-purpose parts fixture.

In order to solve the above technical problems, the utility model provides a multi-purpose parts fixture.

Technical effect: The fixture can be firmly fixed on the desktop during processing, avoiding the shaking of the fixture during processing, reducing the occurrence of processing errors, and reducing the scrap rate of parts during processing.

The technical solution further defined by the utility model is: a multi-purpose part fixture, including a base, a clamping part set on one side of the base for clamping and fixing parts, and a clamping part set on the other side of the base for fixing the fixture on the desktop as a whole The connecting part, the base includes a first connecting plate and a second connecting plate fixed parallel to each other, the first connecting plate and the second connecting plate are spaced apart and fixed by a fixing rod, the clamping part is located on the first connecting plate, The connecting portion is located between the first connecting plate and the second connecting plate, and the connecting portion includes two clamping plates parallel to each other and located on both sides of the second connecting plate for fixing the clamp as a whole, and a clamping plate is arranged between the two clamping plates. There are driving parts for driving the two clamping plates to slide relative to each other or opposite to each other.

Further, the driving member includes a slider slidably connected to the second connecting plate, and the slider is relatively fixed to the clamping plate for driving the clamping plate to slide.

In the multi-purpose part fixture mentioned above, the driving part includes a double-headed motor located in the middle of the second connecting plate, and the two output shafts of the double-headed motor are uniformly provided with driving screws, and the two driving screws respectively penetrate two The block slider is used to drive the slider to slide.

In the aforementioned multi-purpose part fixture, the two driving screw screws are threadedly connected with the slide block, and the thread directions of the two driving screw screws are opposite.

The aforementioned multi-purpose parts fixture, the driving part includes a driving motor fixed on the bottom of the first connecting plate perpendicular to the horizontal plane, the output shaft of the driving motor is provided with a driving gear, the slider is fixed with a driving rack, and the driving rack and the driving The gears are meshed respectively, and two driving racks are respectively located on both sides of the driving gears.

In the above-mentioned multi-purpose part fixture, the clamping part includes a vertical connecting piece, an inclined connecting piece and a horizontal connecting piece fixed on the first connecting plate, which are respectively used for connecting different types of parts.

In the aforementioned multi-purpose parts fixture, the fixing rod is a screw rod, on which a fixing nut is threaded to fix the first connecting plate and the second connecting plate, and the first connecting plate and the second connecting plate are detachable.

The beneficial effects of the utility model are:

(1) In the utility model, through the two clamping plates, when it is necessary to fix the fixture, the two clamping plates can be driven to slide relative to each other through the driving member, so that the two clamping plates can firmly clamp the desktop and keep the overall fixture Stability and firmness in parts processing to achieve good processing results;

(2) In the utility model, the fixture can be fixed more firmly on the desktop during processing, avoiding the shaking of the fixture during the processing, reducing the generation of processing errors, and reducing the scrap rate during part processing;

(3) In the utility model, the sliders are driven by two driving screws with opposite thread directions, and the two sliders can drive the clamping plates to move relatively when rotating forward, and can drive the two clamping plates when rotating reversely. Slide away from each other, so as to realize the clamping, fixing and loosening of the clamping plate to the desktop;

(4) In the utility model, the output shaft of the drive motor rotates to drive the drive gear to rotate. Since the two drive racks are respectively located on both sides of the drive gear, when the drive gear rotates, it can drive the drive rack to the two sides of the drive gear. Side sliding can also realize the fixing and loosening of the clamp.

Description of drawings

Fig. 1 is the structural representation of embodiment 1;

2 is a schematic diagram of a display driver in Embodiment 1;

3 is a schematic diagram of a display driver in Embodiment 2;

4 is a schematic diagram of a display driver in Embodiment 3;

FIG. 5 is a schematic diagram of a display driver in Embodiment 4. FIG.

Among them: 1. Base; 11. First connecting plate; 12. Second connecting plate; 13. Fixed rod; 2. Clamping part; 21. Vertical connecting piece; 22. Inclined connecting piece; 23. Horizontal connecting piece; 3 , connection part; 31, clamping plate; 4, driving member; 41, slider; 42, double-headed motor; 43, driving screw; 45, driving motor; 46, driving gear; 47, driving rack; 51, 52, adjusting disc; 53, adjusting slot; 54, driving slot; 55, driving rod; 56, rotating disc; 57, linkage rod; 58, rotating motor.

Detailed ways

A high-stability parts fixture provided in this embodiment has a structure as shown in Figure 1, which includes a base 1, a clamping part 2 set on one side of the base 1 for clamping and fixing parts, and a clamping part 2 set on the other side of the base 1 The connecting part 3 for fixing the fixture on the desktop as a whole, the base 1 includes a first connecting plate 11 and a second connecting plate 12 fixed parallel to each other, the first connecting plate 11 and the second connecting plate 12 are spaced apart and passed through Fixed rod 13 is fixed.

The clamping part 2 includes a vertical connecting piece 21 , an inclined connecting piece 22 and a horizontal connecting piece 23 fixed on the first connecting plate 11 , which are respectively used for connecting parts of different types. The fixing rod 13 is a screw rod, on which a fixing nut is threaded and used for fixing the first connecting plate 11 and the second connecting plate 12 , and the first connecting plate 11 and the second connecting plate 12 are detachable. The clamping portion 2 is located on the first connecting plate 11 , and the connecting portion 3 is located between the first connecting plate 11 and the second connecting plate 12 .

The connecting portion 3 includes two clamping plates 31 that are parallel to each other and located on both sides of the second connecting plate 12 for fixing the clamp as a whole. Drives 4 sliding in opposite directions. The driving member 4 includes a sliding block 41 slidably connected to the second connecting plate 12 , and the sliding block 41 is relatively fixed to the clamping plate 31 for driving the clamping plate 31 to slide.

The driving member 4 includes a double-headed motor 42 located in the middle of the second connecting plate 12. The two output shafts of the double-headed motor 42 are uniformly provided with a driving screw 43, and the two driving screw 43 penetrate two slides respectively. The block 41 is used to drive the sliding block 41 to slide. Both the two driving screw screws 43 are threadedly connected with the slide block 41, and the thread directions of the two driving screw screws 43 are opposite.

Embodiment 2, a kind of high-stability parts fixture, as shown in Figure 3, differs from Embodiment 1 in that the driver 4 includes a drive motor 45 fixed on the bottom of the first connecting plate 11 perpendicular to the horizontal plane, and the drive motor The output shaft of 45 is provided with driving gear 46, is fixed with driving rack 47 on the slide block 41, and driving rack 47 meshes with driving gear 46 respectively, and two driving racks 47 are positioned at the both sides of driving gear 46 respectively.

Embodiment 3, a high-stability part fixture, as shown in FIG. 4 , is different from Embodiment 1 in that the connecting part 3 includes several clamping plates 31 arranged around the center of the second connecting plate 12, and the first Between the connecting plate 11 and the first connecting plate 11 is provided a driving member 4 for driving several clamping plates 31 to simultaneously move toward the center of the first connecting plate 11 . There are four clamping plates 31, and two adjacent clamping plates 31 form a right angle.

The driver 4 includes a driving disc 51 and an adjusting disc 52 that are parallel to each other. The driving disc 51 is rotatably connected to the second connecting plate 12, and the adjusting plate is fixed on the second connecting plate 12. The adjusting disc 52 is provided with four edges for adjusting The adjustment groove 53 arranged in a straight line along the radial direction of the plate, the slider 41 is slidably connected in the adjustment groove 53 .

The driving disc 51 is provided with a drive slot 54 corresponding to the adjustment slot 53. The drive slot 54 is arranged in an arc shape. A drive rod 55 is extended on the slider 41. The drive rod 55 is located in the drive slot 54 and drives to slide through the drive slot 54. . The driving member 4 also includes a rotating motor 58 arranged perpendicular to the horizontal plane for driving the driving disk 51 to rotate.

Embodiment 4, a high-stability parts fixture, as shown in Figure 5, is different from Embodiment 3 in that the drive member 4 includes a rotating disk 56, and the corresponding slider 41 on the rotating disk 56 is provided with four shafts perpendicular to The rotating rod of the rotating disc 56 is provided with a linkage rod 57 between the rotation rod and the slider 41, and the linkage rod 57 is hinged to the rotation rod and the slider 41 respectively. The driving member 4 also includes a rotating motor 58 arranged perpendicular to the horizontal plane for driving the rotating disk 56 to rotate.

Finally, it should be noted that the above embodiments are only used to illustrate and not limit the technical solutions of the present utility model. Although the present utility model has been described in detail with reference to the above-mentioned embodiments, those of ordinary skill in the art should understand that: the present utility model can still be Modifications or equivalent replacements may be made without departing from the spirit and scope of the present invention, and the appended claims are intended to cover such modifications or equivalent replacements falling within the spirit and scope of the present invention.

Claims (7)

1. A multi-purpose part fixture, including a base (1), a clamping part (2) located on one side of the base (1) for clamping and fixing parts, and located on the other side of the base (1) for fixing the overall clamp The connecting part (3) fixed on the desktop is characterized in that: the base (1) includes a first connecting plate (11) and a second connecting plate (12) fixed parallel to each other, the first connecting plate (11) and the second connecting plate (12) The second connecting plates (12) are arranged at intervals and fixed by fixing rods (13), the clamping part (2) is located on the first connecting plate (11), and the connecting part (3) is located on the first connecting plate (11) Between the second connecting plate (12), the connecting part (3) includes two clamping plates (31) parallel to each other and located on both sides of the second connecting plate (12) for fixing the clamp as a whole. A driving member (4) for driving the two clamping plates (31) to slide relative to each other or opposite to each other is provided between the holding plates (31). 2. The multi-purpose part fixture according to claim 1, characterized in that: the drive member (4) comprises a slider (41) slidingly connected to the second connecting plate (12), the slider (41) and The clamping plate (31) is relatively fixed, and is used to drive the clamping plate (31) to slide. 3. The multi-purpose part fixture according to claim 2, characterized in that: the driving member (4) includes a double-head motor (42) located in the middle of the second connecting plate (12), and the double-head motor (42) The two output shafts are uniformly provided with a driving screw (43), and the two driving screw (43) penetrate two slide blocks (41) respectively to drive the slide block (41) to slide. 4. The multi-purpose parts fixture according to claim 3, characterized in that: both of the two driving screw screws (43) are threadedly connected with the slider (41), and the thread directions of the two driving screw screws (43) are opposite. 5. The multi-purpose part fixture according to claim 2, characterized in that: the drive member (4) includes a drive motor (45) fixed on the bottom of the first connecting plate (11) perpendicular to the horizontal plane, the drive motor (45) A driving gear (46) is arranged on the output shaft of the slider (41), and a driving rack (47) is fixed on the slide block (41). ) are located on both sides of the drive gear (46) respectively. 6. The multi-purpose part fixture according to claim 1, characterized in that: the clamping part (2) includes a vertical connecting piece (21) and an inclined connecting piece (22) fixed on the first connecting plate (11) And horizontal connector (23), are respectively used to connect the parts of different models. 7. The multi-purpose part fixture according to claim 1, characterized in that: the fixing rod (13) is a screw rod, on which a fixing nut is screwed, for fixing the first connecting plate (11) and the second connecting plate (12), detachable between the first connecting plate (11) and the second connecting plate (12).