Positioning and clamping device for swing arm

Abstract

The utility model provides a positioning and clamping device for a swing arm, which is characterized by comprising a bottom plate, a first positioning base, a second positioning base, a third positioning base, a positioning block, a first side positioning seat, a second side positioning seat, a third side positioning seat, a first pressing plate assembly, a second pressing plate assembly, a third pressing plate assembly and a fourth pressing plate assembly, the first positioning base is fixed to the tail side of the bottom plate. The second side positioning base, the third side positioning base, the third pressing plate assembly and the fourth pressing plate assembly are installed on the first positioning base and abut against the rear end of a workpiece. The second positioning base is fixed to the middle of the bottom plate, and the second pressing plate assembly is installed on the second positioning base and pressed on the surface of the middle of the workpiece. The third positioning base is fixed to the front side of the bottom plate, and the positioning block and the first pressing plate assembly are installed on the third positioning base and abut against the front end of the workpiece. The two first side positioning seats are fixed to the bottom plate and abut against the left side face and the right side face of a workpiece respectively.

Description

Technical Field

[0001] This utility model relates to the field of machining technology, and in particular to a positioning and clamping device for a swing arm. Background Technology

[0002] Swing arm structures are used in some mechanical equipment. The machining process of swing arms is usually carried out on machine tools, and the swing arm needs to be positioned and clamped before machining. The current practice is to clamp the swing arm on the machine tool's general fixture. However, since the fixture on the machine tool is not a special fixture for swing arms, the clamping work requires the operator to spend a lot of time repeatedly adjusting to ensure proper positioning. In addition, due to excessive manual intervention, the clamping stability and consistency need to be improved when there are a large number of workpieces in the same batch. Utility Model Content

[0003] In order to solve the above problems, the present invention aims to provide a positioning and clamping device for a swing arm.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] This utility model provides a positioning and clamping device for a swing arm, characterized in that it includes: a base plate, a first positioning base, a second positioning base, a third positioning base, a positioning block, a first side positioning seat, a second side positioning seat, a third side positioning seat, a first pressure plate assembly, a second pressure plate assembly, a third pressure plate assembly, and a fourth pressure plate assembly; wherein, the first positioning base is fixed to the rear side of the base plate, the second side positioning seat, the third side positioning seat, the third pressure plate assembly, and the fourth pressure plate assembly are respectively installed on the first positioning base and abut against the rear end of the workpiece; the second positioning base is fixed to the middle part of the base plate, the second pressure plate assembly is installed on the second positioning base and presses against the middle surface of the workpiece; the third positioning base is fixed to the front side of the base plate, the positioning block and the first pressure plate assembly are installed on the third positioning base and abut against the front end of the workpiece; two first side positioning seats are fixed on the base plate and located between the second positioning base and the third positioning base, and the two first side positioning seats abut against the left and right sides of the workpiece respectively.

[0006] Furthermore, the positioning and clamping device for the swing arm provided by this utility model may also have the following features: the first pressure plate assembly includes a first pressure plate, a first pressure plate support, and a first screw. The first pressure plate support is fixed on the third positioning base. The positioning block is provided with a threaded hole. The lower end of the first screw is installed in the threaded hole of the positioning block. A circular hole is opened in the middle of the first pressure plate. The upper end of the first screw is inserted into the circular hole of the first pressure plate. One end of the first pressure plate is provided with an inclined surface, which abuts against the surface of the workpiece. The other end of the first pressure plate is pressed on the first pressure plate support.

[0007] Furthermore, the positioning and clamping device for the swing arm provided by this utility model may also have the following features: the second pressure plate assembly includes a second pressure plate and a second screw; the upper surface of the second positioning base is an inclined surface and has a threaded hole; there are two second screws, which are symmetrically arranged on the left and right sides of the workpiece; the lower end of the second screw is installed in the threaded hole on the upper surface of the second positioning base; the second pressure plate presses on the surface of the workpiece; a waist-shaped hole is opened in the middle of the second pressure plate; U-shaped grooves are opened at both ends of the second pressure plate; and the upper ends of the two second screws are respectively inserted into the two U-shaped grooves of the second pressure plate.

[0008] Furthermore, the positioning and clamping device for the swing arm provided by this utility model may also have the following features: the third pressure plate assembly consists of two sets, symmetrically arranged on the left and right sides of the workpiece. Each set of the third pressure plate assembly includes a third pressure plate, a third pressure plate support, and a third screw. The third pressure plate support is fixed on the third positioning base. The third pressure plate has a waist-shaped hole in the middle. The lower end of the third screw is fixed on the third positioning base. The upper end of the third screw is inserted into the waist-shaped hole of the third pressure plate. One end of the third pressure plate presses on the surface of the workpiece, and the other end of the third pressure plate presses on the third pressure plate support.

[0009] Furthermore, the positioning and clamping device for the swing arm provided by this utility model may also have the following features: the fourth pressure plate assembly consists of two sets, each set of the fourth pressure plate assembly includes a fourth pressure plate, a support screw, and a locking bolt. The fourth pressure plate has a central screw hole and an end screw hole. One end of the fourth pressure plate presses on the surface of the workpiece, and the other end of the fourth pressure plate is connected to the support screw through the end screw hole. The screw head of the support screw abuts against the upper surface of the first positioning base. The locking bolt is inserted into the central screw hole of the fourth pressure plate, and the lower end of the locking bolt is bolted and fixed to the upper surface of the first positioning base.

[0010] Furthermore, the positioning and clamping device for the swing arm provided by this utility model may also have the following features: the first side positioning seat includes a first side positioning seat body and a first bolt installed on the first side positioning seat body, the first bolt abutting against the side of the workpiece.

[0011] Furthermore, the positioning and clamping device for the swing arm provided by this utility model may also have the following features: the second side positioning seat includes a second side positioning seat body and a second bolt installed on the second side positioning seat body, the second side positioning seat body has a convex structure, and the second bolt abuts against the side of the workpiece.

[0012] Furthermore, the positioning and clamping device for the swing arm provided by this utility model may also have the following features: the third side positioning seat includes a third side positioning seat body and a third bolt installed on the third side positioning seat body, the third side positioning seat body has an L-shaped structure, and the third bolt abuts against the side of the workpiece.

[0013] Furthermore, the positioning and clamping device for the swing arm provided by this utility model may also have the following features: an auxiliary support block is fixed on the base plate, the auxiliary support block is located beside the first side positioning seat, the auxiliary support block has a bent structure, the auxiliary support block is provided with a threaded hole, an auxiliary support bolt is installed in the threaded hole, and the auxiliary support bolt abuts against the lower surface of the workpiece.

[0014] Furthermore, the positioning and clamping device for the swing arm provided by this utility model may also have the following features: an auxiliary support screw is installed on the first positioning base, and the auxiliary support screw abuts against the lower surface of the tail of the workpiece; an adjustable height auxiliary support is installed on the second positioning base, and the adjustable height auxiliary support abuts against the lower surface of the middle part of the workpiece.

[0015] The beneficial effects of this utility model are:

[0016] According to the present invention, a positioning and clamping device for a swing arm can achieve precise positioning of the rear end of the workpiece through a second side positioning seat, a third side positioning seat, a third pressure plate assembly, and a fourth pressure plate assembly; it can achieve precise positioning of the middle part of the workpiece through the second pressure plate assembly and the first side positioning seat; and it can achieve precise positioning of the front end of the workpiece through the positioning block and the first pressure plate assembly. This positioning and clamping device is a dedicated positioning and clamping device for swing arms, which can achieve rapid clamping, improve production efficiency, reduce manual intervention, and improve the stability and consistency of swing arm clamping. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the positioning and clamping device for the swing arm in an embodiment of the present invention (some parts of the structure are not shown);

[0018] Figure 2 This is a schematic diagram of the positioning and clamping device for the swing arm clamping a workpiece in an embodiment of this utility model.

[0019] Figure 3 This is a schematic diagram (another view) of the positioning and clamping device for the swing arm clamping a workpiece in an embodiment of this utility model.

[0020] Figure 4 This is a schematic diagram of the structure of the first positioning base in an embodiment of this utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the second positioning base in an embodiment of this utility model;

[0022] Figure 6 This is a schematic diagram of the structure of the third positioning base in an embodiment of this utility model;

[0023] Figure 7 This is a schematic diagram of the structure of the first side positioning seat body in an embodiment of this utility model;

[0024] Figure 8 This is a top view of the second pressure plate in an embodiment of this utility model.

[0025] Markings in the diagram: Base plate 1; First positioning base 2; Second positioning base 3; Third positioning base 4; Positioning block 5; First side positioning seat 6; First side positioning seat body 6a; First bolt 6b; Second side positioning seat 7; Second side positioning seat body 7a; Second bolt 7b; Third side positioning seat 8; Third side positioning seat body 8a; Third bolt 8b; Third pressure plate support 9; Adjustable height auxiliary support 10; First pressure plate support 11; Auxiliary support block 12; Auxiliary support bolt 12a; First pressure plate 13; Second pressure plate 14; Third pressure plate 15; Fourth pressure plate 16; Third screw 17; Second screw 18; First screw 19; Support screw 20; Locking bolt 21; Auxiliary support screw 23; Auxiliary support screw 24; Workpiece 100. Detailed Implementation

[0026] To make the technical means, creative features, objectives and effects of this utility model easy to understand, the following embodiments, in conjunction with the accompanying drawings, will specifically illustrate the technical solution of this utility model.

[0027] See Figures 1 to 3 This embodiment provides a positioning and clamping device for a swing arm, used to achieve positioning and clamping of the swing arm (such as...). Figure 2 The positioning and clamping operation of the workpiece 100 shown is as follows. The positioning and clamping device includes: a base plate 1, a first positioning base 2, a second positioning base 3, a third positioning base 4, a positioning block 5, a first side positioning seat 6, a second side positioning seat 7, a third side positioning seat 8, a first pressure plate assembly, a second pressure plate assembly, a third pressure plate assembly, and a fourth pressure plate assembly.

[0028] See Figures 1 to 3 The first positioning base 2 is fixed to the tail side of the base plate 1 by bolt connection. The second side positioning base 7, the third side positioning base 8, the third pressure plate assembly, and the fourth pressure plate assembly are respectively installed and fixed on the first positioning base 2 by bolt connection and abut against the tail end of the workpiece 100.

[0029] See Figure 4 The first positioning base 2 is integrally welded from an upper steel plate, a lower steel plate, and three vertically arranged steel plates, with multiple screw holes respectively opened on the upper and lower steel plates.

[0030] See Figures 1 to 3 The second positioning base 3 is fixed to the middle of the base plate 1 by bolt connection, and the second pressure plate assembly is installed on the second positioning base 3 and presses against the middle surface of the workpiece 100.

[0031] See Figure 5 The second positioning base 3 is integrally welded from an upper steel plate, a lower steel plate, and three vertically arranged steel plates. Multiple screw holes are opened on the upper and lower steel plates respectively, and the upper steel plate is inclined.

[0032] See Figures 1 to 3 The third positioning base 4 is fixed to the front side of the base plate 1 by bolt connection. The positioning block 5 and the first pressure plate assembly are installed on the third positioning base 4 and abut against the front end of the workpiece 100.

[0033] See Figure 6 The second positioning base 3 is integrally welded from an upper steel plate, a lower steel plate, and two vertically arranged steel plates, with multiple screw holes respectively opened on the upper and lower steel plates.

[0034] See Figures 1 to 3 The first pressure plate assembly is used to press the front inclined surface of the workpiece. The first pressure plate assembly includes a first pressure plate 13, a first pressure plate support 11, and a first screw 19. A positioning block 5 is fixed to the third positioning base 4 by bolts. The positioning block 5 has three threaded holes, and the lower end of the first screw 19 is installed in one of the threaded holes of the positioning block 5. The first pressure plate support 11 is fixed to the third positioning base 4 by bolts. A circular hole is opened in the middle of the first pressure plate 13, and the upper end of the first screw 19 is inserted into the circular hole of the first pressure plate. One end of the first pressure plate 13 is provided with an inclined surface, which abuts against the surface of the workpiece 100, and the other end of the first pressure plate 13 presses against the first pressure plate support 11.

[0035] Preferably, the first pressure plate support 11 is a height-adjustable pressure plate support, which includes a lower column and an upper hexagonal screw. The top surface of the column has a threaded hole, and the hexagonal screw is installed in the threaded hole. By adjusting the depth of the hexagonal screw into the threaded hole, the overall height of the pressure plate support can be adjusted.

[0036] See Figures 1 to 3 The second pressure plate assembly is used to press the middle inclined surface of the workpiece. The second pressure plate assembly includes a second pressure plate 14 and two second screws 18. Two second screws 18 are symmetrically arranged on the left and right sides of the workpiece 100. The lower ends of the second screws 18 are installed in threaded holes on the upper surface of the second positioning base 3. (See also...) Figure 8 The second pressure plate 14 has a waist-shaped hole in the middle, and U-shaped grooves at both ends. (See also...) Figure 2 The second pressure plate 14 presses against the surface of the workpiece 100, and the upper ends of the two second screws 18 are respectively inserted into the two U-shaped grooves of the second pressure plate 14.

[0037] See Figures 1 to 3The third pressure plate assembly consists of two sets, symmetrically arranged on the left and right sides of the workpiece. The third pressure plate assembly is used to press the upper surface of the middle and rear part of the workpiece. Each set of the third pressure plate assembly includes a third pressure plate 15, a third pressure plate support 9, and a third screw 17. The third pressure plate support 9 is fixed to the third positioning base 4 by bolts. A slotted hole is provided in the middle of the third pressure plate. The lower end of the third screw 17 is fixed to the third positioning base 4, and the upper end of the third screw 17 is inserted into the slotted hole of the third pressure plate 15. One end of the third pressure plate 15 presses against the surface of the workpiece, and the other end of the third pressure plate 15 presses against the third pressure plate support 9.

[0038] Preferably, the third pressure plate support 9 is an adjustable-height pressure plate support, which includes a lower column and an upper hexagonal screw. The top surface of the column has a threaded hole, and the hexagonal screw is installed in the threaded hole. By adjusting the depth of the hexagonal screw into the threaded hole, the overall height of the pressure plate support can be adjusted.

[0039] See Figures 1 to 3 The fourth pressure plate assembly consists of two sets, used to press against the stepped plane at the tail end of the workpiece. Each set of the fourth pressure plate assembly includes a fourth pressure plate 16, a support screw 20, and a locking bolt 21. The fourth pressure plate 16 has a central screw hole and an end screw hole. One end of the fourth pressure plate 16 presses against the surface of the workpiece, and the other end of the fourth pressure plate 16 is connected to the support screw 20 through the end screw hole. The screw head of the support screw 20 abuts against the upper surface of the first positioning base 2. The locking bolt 21 is inserted into the central screw hole of the fourth pressure plate 16, and the lower end of the locking bolt 21 is bolted and fixed to the upper surface of the first positioning base 2.

[0040] See Figures 1 to 3 Two first-side positioning seats 6 are bolted to the base plate 1 and located between the second positioning base 3 and the third positioning base 4. The two first-side positioning seats 6 abut against the left and right sides of the workpiece, respectively. (See also...) Figures 1 to 3 The first side positioning seat 6 includes a first side positioning seat body 6a and a first bolt 6b mounted on the first side positioning seat body 6a. The structure of the first side positioning seat 6 is described in [reference needed]. Figure 7 It is integrally welded from a base steel plate, a vertical square steel plate, and two vertical triangular steel plates. The first bolt 6b abuts against the side of the workpiece. Adjusting the first bolt 6b achieves the relative position of abutting against the front positioning point of the middle of the workpiece, which can prevent the workpiece from moving during processing.

[0041] See Figures 1 to 3 The second side positioning seat 7 includes a second side positioning seat body 7a and a second bolt 7b mounted on the second side positioning seat body 7a. The second side positioning seat body 7a has a convex shape. The second bolt 7b abuts against the side of the workpiece. Adjusting the second bolt 7b achieves the relative position of the abutting rear end positioning point of the workpiece, which can prevent the workpiece from moving during processing.

[0042] See Figures 1 to 3 The third side positioning seat 8 includes a third side positioning seat body 8a and a third bolt 8b mounted on the third side positioning seat body 8a. The third side positioning seat body 8a has an L-shaped structure. The third bolt 8b abuts against the side of the workpiece. Adjusting the third bolt 8b achieves the relative position of the abutting point at the tail end of the workpiece, which can prevent the workpiece from moving during processing.

[0043] See Figure 1 An auxiliary support block 12 is also fixed on the base plate 1. The auxiliary support block is located next to the first side positioning seat 6. The auxiliary support block 12 has a bent structure and a threaded hole. An auxiliary support bolt 12a is installed in the threaded hole and abuts against the lower surface of the workpiece.

[0044] See Figure 1 The first positioning base 2 is also equipped with two auxiliary support screws 23 and two auxiliary support screws 24, which abut against the lower surface of the workpiece tail to provide support.

[0045] See Figure 1 Two adjustable height auxiliary supports 10 are also installed on the second positioning base 3, which abut against the lower surface of the middle part of the workpiece.

[0046] The positioning and clamping device for the swing arm in this embodiment can achieve precise positioning of the rear end of the workpiece through the second side positioning seat, the third side positioning seat, the third pressure plate assembly, and the fourth pressure plate assembly; it can achieve precise positioning of the middle part of the workpiece through the second pressure plate assembly and the first side positioning seat; and it can achieve precise positioning of the front end of the workpiece through the positioning block and the first pressure plate assembly. This positioning and clamping device is a dedicated positioning and clamping device for swing arms, which can achieve rapid clamping, improve production efficiency, reduce manual intervention, and improve the stability and consistency of swing arm clamping.

[0047] The above embodiments are merely preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model are included within the scope of protection of this utility model.

Claims

1. A positioning and clamping device for a swing arm, characterized in that, include: Base plate, first positioning base, second positioning base, third positioning base, positioning block, first side positioning seat, second side positioning seat, third side positioning seat, first pressure plate assembly, second pressure plate assembly, third pressure plate assembly, and fourth pressure plate assembly; The first positioning base is fixed to the tail side of the base plate, and the second side positioning base, the third side positioning base, the third pressure plate assembly, and the fourth pressure plate assembly are respectively installed on the first positioning base and abut against the rear end of the workpiece. The second positioning base is fixed in the middle of the base plate, and the second pressure plate assembly is installed on the second positioning base and presses against the middle surface of the workpiece; The third positioning base is fixed to the front side of the base plate, and the positioning block and the first pressure plate assembly are installed on the third positioning base and abut against the front end of the workpiece. Two first side positioning seats are fixed on the base plate and located between the second positioning base and the third positioning base. The two first side positioning seats abut against the left and right sides of the workpiece, respectively.

2. The positioning and clamping device for a swing arm as described in claim 1, characterized in that: in, The first pressure plate assembly includes a first pressure plate, a first pressure plate support, and a first screw. The first pressure plate is fixedly supported on the third positioning base. The positioning block is provided with a threaded hole, and the lower end of the first screw is installed in the threaded hole of the positioning block. The first pressure plate has a circular hole in the middle, the upper end of the first screw is inserted into the circular hole of the first pressure plate, one end of the first pressure plate is provided with an inclined surface, which abuts against the surface of the workpiece, and the other end of the first pressure plate presses on the first pressure plate support.

3. The positioning and clamping device for a swing arm as described in claim 1, characterized in that: in, The second pressure plate assembly includes a second pressure plate and a second screw. The upper surface of the second positioning base is inclined and has threaded holes. There are two second screws, symmetrically arranged on the left and right sides of the workpiece. The lower ends of the second screws are installed in the threaded holes on the upper surface of the second positioning base. The second pressure plate presses on the surface of the workpiece. The second pressure plate has a waist-shaped hole in the middle and U-shaped grooves at both ends. The upper ends of the two second screws are respectively inserted into the two U-shaped grooves of the second pressure plate.

4. The positioning and clamping device for a swing arm as described in claim 1, characterized in that: in, The third pressure plate assembly consists of two sets, symmetrically arranged on the left and right sides of the workpiece. Each set of the third pressure plate assembly includes a third pressure plate, a third pressure plate support, and a third screw. The third pressure plate is supported and fixed on the third positioning base. The third pressure plate has a waist-shaped hole in its middle. The lower end of the third screw is fixed to the third positioning base, and the upper end of the third screw is inserted into the waist-shaped hole of the third pressure plate. One end of the third pressure plate presses against the surface of the workpiece, and the other end of the third pressure plate presses against the third pressure plate support.

5. The positioning and clamping device for a swing arm as described in claim 1, characterized in that: in, The fourth pressure plate assembly consists of two sets, each set including a fourth pressure plate, support screws, and locking bolts. The fourth pressure plate has a central screw hole and an end screw hole. One end of the fourth pressure plate presses against the surface of the workpiece, and the other end of the fourth pressure plate is connected to the support screw through the end screw hole. The screw head of the support screw abuts against the upper surface of the first positioning base. The locking bolt is inserted into the central screw hole of the fourth pressure plate, and the lower end of the locking bolt is bolted and fixed to the upper surface of the first positioning base.

6. The positioning and clamping device for a swing arm as described in claim 1, characterized in that: in, The first side positioning seat includes a first side positioning seat body and a first bolt mounted on the first side positioning seat body, the first bolt abutting against the side of the workpiece.

7. The positioning and clamping device for a swing arm as described in claim 1, characterized in that: in, The second side positioning seat includes a second side positioning seat body and a second bolt mounted on the second side positioning seat body. The second side positioning seat body has a convex structure, and the second bolt abuts against the side of the workpiece.

8. The positioning and clamping device for a swing arm as described in claim 1, characterized in that: in, The third side positioning seat includes a third side positioning seat body and a third bolt installed on the third side positioning seat body. The third side positioning seat body has an L-shaped structure, and the third bolt abuts against the side of the workpiece.

9. The positioning and clamping device for a swing arm as described in claim 1, characterized in that: in, An auxiliary support block is also fixed on the base plate. The auxiliary support block is located next to the first side positioning seat. The auxiliary support block has a bent structure and a threaded hole. An auxiliary support bolt is installed in the threaded hole and abuts against the lower surface of the workpiece.

10. The positioning and clamping device for a swing arm as described in claim 1, characterized in that: in, An auxiliary support screw is also installed on the first positioning base, and the auxiliary support screw abuts against the lower surface of the workpiece tail. The second positioning base is also equipped with an adjustable height auxiliary support, which abuts against the lower surface of the middle part of the workpiece.

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