Positioning and clamping device suitable for stand columns of different models

Abstract

The utility model provides a positioning and clamping device suitable for stand columns of different models. The positioning and clamping device comprises a bottom plate, a lateral positioning block mechanism, a front supporting and positioning mechanism, a rear supporting and positioning mechanism, a first pressing plate mechanism and a second pressing plate mechanism. A longitudinal rail groove is formed in the upper surface of the bottom plate, three transverse rail grooves are formed in the left side and the right side of the longitudinal rail groove respectively, and the three transverse rail grooves are the front rail groove, the middle rail groove and the rear rail groove in sequence from front to back according to the position. The lateral positioning block mechanisms are divided into a left group and a right group and are movably mounted in the front track grooves on the left and right sides; the front supporting and positioning mechanism is movably installed on the front side of the longitudinal rail groove. The rear supporting and positioning mechanisms are movably mounted in the middle track grooves in the left and right sides; the first pressing plate mechanism is arranged on the rear side of the longitudinal rail groove. The two second pressing plate mechanisms are located on the left side and the right side of the first pressing plate mechanism correspondingly.

Description

Technical Field

[0001] This utility model relates to the field of machining technology, and in particular to a positioning and clamping device applicable to different types of columns. Background Technology

[0002] Column workpieces are used in some mechanical equipment. There are many types and models of column workpieces. (See column workpieces) Figure 2 The 100) column needs to be positioned and clamped during processing and production. The current practice is to use a general-purpose fixture on the machine tool for clamping. However, clamping with a general-purpose fixture mainly relies on manual operation for positioning, which is time-consuming and makes it difficult to guarantee clamping stability and consistency. In addition, different types and models of columns have significant differences in size. When changing the workpiece, it is necessary to change to a different size fixture, and a lot of time and effort is required to readjust the positioning, which is time-consuming and labor-intensive. Utility Model Content

[0003] In order to solve the above problems, the present invention aims to provide a positioning and clamping device applicable to different types of columns.

[0004] To achieve the above objectives, this utility model provides a positioning and clamping device applicable to different types of columns, characterized in that it includes: a base plate, a lateral positioning block mechanism, a front support positioning mechanism, a rear support positioning mechanism, a first pressure plate mechanism, and a second pressure plate mechanism; a longitudinal track groove is provided in the middle of the upper surface of the base plate, and three transverse track grooves are provided on the left and right sides of the longitudinal track groove, respectively, and the three transverse track grooves on each side are arranged in the following order: front track groove, middle track groove, and rear track groove; the lateral positioning block mechanism consists of two sets, left and right, which are movably installed in the front track grooves on the left and right sides respectively; the front support positioning mechanism is movably installed in the front position of the longitudinal track groove; the rear support positioning mechanism consists of two sets, left and right, which are movably installed in the middle track grooves on the left and right sides respectively; the first pressure plate mechanism is located in the rear position of the longitudinal track groove, including a first pressure plate, a first pressure plate support, and a first screw; the second pressure plate mechanism consists of two sets, located on the left and right sides of the first pressure plate mechanism, and each set includes a second pressure plate, a second pressure plate support, and a second screw.

[0005] Furthermore, the positioning and clamping device for different types of columns provided by this utility model may also have the following features: each set of lateral positioning block mechanisms includes a first positioning block, a first pad block, and a first support bolt; the first positioning block has an L-shaped structure, with a vertical plate and a horizontal plate, and the first support bolt is horizontally installed in the bolt hole of the vertical plate of the first positioning block; the first pad block is located below the first positioning block, and the first positioning block is bolted and fixed on the first pad block; the bottom surface of the first pad block has a positioning block bottom bolt hole for installing hexagonal bolts.

[0006] Furthermore, the positioning and clamping device for different types of columns provided by this utility model may also have the following features: the front support positioning mechanism includes a second positioning block, a second pad, a front support bolt, and a bottom support bolt; the second positioning block has an L-shaped structure, with a vertical plate and a horizontal plate, the front support bolt is horizontally installed in the bolt hole of the vertical plate of the second positioning block, and the bottom support bolt is vertically installed in the bolt hole of the horizontal plate of the second positioning block; the second pad is located below the second positioning block, and the second positioning block is bolted and fixed to the second pad; the bottom surface of the second pad has a positioning block bottom bolt hole for installing hexagonal bolts.

[0007] Furthermore, the positioning and clamping device for different types of columns provided by this utility model may also have the following features: each set of rear support positioning mechanisms includes a third positioning block, a third pad block, a rear support bolt, and a bottom support assembly; the third positioning block has an L-shaped structure, with a vertical plate and a horizontal plate, the rear support bolt is horizontally installed in the bolt hole of the vertical plate of the third positioning block, and the bottom support assembly is vertically installed in the horizontal plate of the third positioning block; the third pad block is located below the third positioning block, and the third positioning block is bolted and fixed to the third pad block; the bottom surface of the third pad block has a positioning block bottom bolt hole for installing hexagonal bolts.

[0008] Furthermore, the positioning and clamping device for different types of columns provided by this utility model may also have the following features: the bottom support component includes a cylinder and a support bolt, the bottom surface of the cylinder has a bottom bolt hole, the cylinder is bolted and fixed to the horizontal plate of the third positioning block, the top surface of the cylinder has a top bolt hole, and the support bolt is threaded and installed in the top bolt hole.

[0009] Furthermore, the positioning and clamping device for different types of columns provided by this utility model may also have the following features: both the longitudinal track groove and the transverse track groove are T-shaped grooves, and the cross-sectional shape of the T-shaped groove is an inverted T-shape; hexagonal bolts are installed in the bolt holes on the bottom surface of the positioning block, and the bolt heads of the hexagonal bolts are located in the lower space of the inverted T-shaped T-shaped groove.

[0010] Furthermore, the positioning and clamping device for different types of columns provided by this utility model may also have the following features: a first pressure plate support is movably disposed at the rear side of the longitudinal track groove. The first pressure plate support includes a cylinder and a support bolt. A bottom bolt hole is opened on the bottom surface of the cylinder, and a first hexagonal bolt is installed in the bottom bolt hole. The first hexagonal bolt is located in the longitudinal track groove. A top bolt hole is opened on the top surface of the cylinder, and a support bolt is threadedly installed in the top bolt hole. A first screw is disposed in the longitudinal track groove. A bottom bolt hole is opened on the bottom surface of the first screw, and a second hexagonal bolt is installed in the bottom bolt hole. The second hexagonal bolt is located in the longitudinal track groove. One end of the first pressure plate presses on the support bolt of the first pressure plate support, and the other end of the first pressure plate presses on the workpiece. The middle part of the first pressure plate is connected to the first screw.

[0011] Furthermore, the positioning and clamping device for different types of columns provided by this utility model may also have the following features: one end of the second pressure plate in each group of second pressure plate mechanisms presses on the second pressure plate support, the other end of the second pressure plate presses on the workpiece, and the middle part of the second pressure plate is connected to the second screw.

[0012] Furthermore, the positioning and clamping device for different types of columns provided by this utility model may also have the following features: the second pressure plate support in one set of second pressure plate mechanisms is movably arranged in the rear track groove, and the second screw of this set is fixed on the rear support positioning mechanism; the second pressure plate support in another set of second pressure plate mechanisms is fixed on the base plate, and the second screw of this set is installed in the rear track groove.

[0013] Furthermore, the positioning and clamping device for different types of columns provided by this utility model may also have the following features: when the second screw of the second pressure plate mechanism is installed in the rear track groove, an auxiliary support is also installed in the middle track groove. The auxiliary support abuts against the lower surface of the workpiece and is located below the end of the workpiece pressed by the second pressure plate.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The positioning and clamping device of this utility model is a device specifically designed for column workpieces. Compared with general-purpose clamps, it improves the stability and consistency of column workpiece clamping.

[0016] 2. The positioning and clamping device of this utility model is equipped with a lateral positioning block mechanism, a front support positioning mechanism, a rear support positioning mechanism, a first pressure plate mechanism, and a second pressure plate mechanism for different positions. This enables it to quickly position the corresponding position of the workpiece, achieve rapid clamping, and improve production efficiency.

[0017] 3. The positioning and clamping device of this utility model can be used for positioning and clamping work of different models of columns without the need to change to clamping devices of different sizes. This saves on fixture and tooling costs and also reduces the time spent on model changes. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the positioning and clamping device applicable to different types of columns in the embodiments of this utility model. The pressure plate is not shown in the figure, and the view in the figure is the front view.

[0019] Figure 2 This is a schematic diagram of the use of the positioning and clamping device applicable to different types of columns in the embodiments of this utility model. The view in the figure is a rear view.

[0020] Figure 3 This is a schematic diagram of the lateral positioning block mechanism and the front track groove in an embodiment of this utility model. Detailed Implementation

[0021] 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.

[0022] See Figure 1 and Figure 2 This embodiment provides a positioning and clamping device applicable to different types of columns, including: a base plate 1, a lateral positioning block mechanism, a front support positioning mechanism, a rear support positioning mechanism, a first pressure plate mechanism, and a second pressure plate mechanism.

[0023] A longitudinal track groove 1d is provided in the middle of the upper surface of the base plate 1. Three transverse track grooves are provided on the left and right sides of the longitudinal track groove 1d. The three transverse track grooves on each side are arranged in the following order: front track groove 1a, middle track groove 1b, and rear track groove 1c. Both the longitudinal and transverse track grooves are T-shaped grooves, and the cross-sectional shape of the T-shaped grooves is inverted T-shaped.

[0024] The lateral positioning block mechanism consists of two sets, left and right, which are movably installed on the front track grooves 1a on the left and right sides respectively. Each set of lateral positioning block mechanism includes a first positioning block 2, a first pad block 13, and a first support bolt 2a.

[0025] The first positioning block 2 has an L-shaped structure, with a vertical plate and a horizontal plate. The first support bolt 2a is horizontally positioned and installed in the bolt hole of the vertical plate of the first positioning block 2. The first support bolt 2a abuts against the side positioning point of the workpiece 100, and the left and right sets of lateral positioning block mechanisms are used to position the left and right sides of the workpiece.

[0026] The first pad 13 is located below the first positioning block 2, and the first positioning block 2 is bolted to the first pad 13. Preferably, the upper surface of the first pad 13 is provided with a flat key groove structure, and the lower surface of the first positioning block 2 is provided with a flat key protrusion structure, so that the first pad 13 and the first positioning block 2 are installed in a flat key fit.

[0027] See Figure 3 The bottom surface of the first pad 13 has several positioning block bottom bolt holes 13a for installing hexagonal bolts. Hexagonal bolts (not shown in the figure) are installed in these positioning block bottom bolt holes, with the bolt heads located in the lower space of the inverted T-shaped front track groove 1a, achieving a movable connection with the front track groove 1a. Preferably, the lower surface of the first pad 13 also has a raised structure that matches the upper space of the T-shaped groove. The height of the first pad 13 can be set differently according to the workpiece positioning requirements, thus adapting to the positioning height of different types of workpieces.

[0028] The front support positioning mechanism is movably installed at the front side of the longitudinal track groove 1d. The front support positioning mechanism includes a second positioning block 3, a second pad block 10, a front support bolt 3a, and a bottom support bolt 3b.

[0029] The second positioning block 3 has an L-shaped structure, consisting of a vertical plate and a horizontal plate. The front support bolt 3a is horizontally positioned and installed in the bolt hole of the vertical plate of the second positioning block 3, used to abut against the corresponding positioning point at the front end of the workpiece. The bottom support bolt 3b is vertically positioned and installed in the bolt hole of the horizontal plate of the second positioning block 3, used to support the corresponding position of the bottom front end of the workpiece. The position of the bolts can be finely adjusted by changing the depth to which the support bolts are screwed into the bolt holes, achieving a better support effect.

[0030] The second pad 10 is located below the second positioning block 3, and the second positioning block 3 is bolted to the second pad 10. Preferably, the upper surface of the second pad 10 is provided with a flat key groove structure, and the lower surface of the second positioning block 3 is provided with a flat key protrusion structure, so that the second pad 10 and the second positioning block 3 are installed in a flat key fit.

[0031] The bottom surface of the second pad 10 has bolt holes for mounting hexagonal bolts. Hexagonal bolts are installed in these bolt holes, with the bolt heads located in the lower space of the inverted T-shaped longitudinal track groove 1d. Preferably, the second pad 10 also has a protruding structure matching the upper space of the T-groove. The height of the second pad 10 can be set differently as needed to accommodate the positioning height of different workpiece models.

[0032] The rear support positioning mechanism consists of two sets, left and right, which are movably installed in the middle track groove 1b on the left and right sides respectively. Each set of rear support positioning mechanism includes a third positioning block 4, a third pad block 14, a rear support bolt 4a, and a bottom support assembly 4b.

[0033] The third positioning block 4 has an L-shaped structure, consisting of a vertical plate and a horizontal plate. The rear support bolt 4a is horizontally positioned and installed in the bolt hole of the vertical plate of the third positioning block 4, used to abut against the corresponding positioning point at the rear end of the workpiece. The bottom support assembly 4b is vertically positioned and installed in the horizontal plate of the third positioning block 4, used to abut against the corresponding positioning point on the bottom surface of the rear end of the workpiece.

[0034] The bottom support assembly 4b includes a cylinder and a support bolt. The bottom surface of the cylinder has a bottom bolt hole, and the cylinder is bolted to the horizontal plate of the third positioning block 4. The top surface of the cylinder has a top bolt hole, and the support bolt is threaded and installed in the top bolt hole. The height of the support bolt can be adjusted by adjusting the depth to which the support bolt is screwed into the bolt hole.

[0035] The third pad 14 is located below the third positioning block 4, and the third positioning block 4 is bolted to the third pad 14. Preferably, the third pad 14 and the third positioning block 4 are also installed using a flat key structure.

[0036] The bottom surface of the third pad 14 has bolt holes for mounting hexagonal bolts. Hexagonal bolts are installed in these holes, with their heads positioned in the lower space of the inverted T-shaped central track groove 1b. Preferably, the third pad 14 also has a protruding structure matching the upper space of the T-groove. The height of the third pad 14 can be set differently as needed to accommodate the positioning height of different workpiece models.

[0037] The first pressure plate mechanism is located at the rear side of the longitudinal track groove 1d, and includes a first pressure plate 11, a first pressure plate support 7, and a first screw 9.

[0038] The first pressure plate support 7 is movably positioned at the rear side of the longitudinal track groove 1d. The first pressure plate support 7 includes a cylinder and a support bolt. A bottom bolt hole is provided on the bottom surface of the cylinder, in which a first hexagonal bolt is installed. The first hexagonal bolt is located in the longitudinal track groove 1d. A top bolt hole is provided on the top surface of the cylinder, in which a support bolt is threadedly installed.

[0039] The first screw 9 is set in the longitudinal track groove 1d. The bottom surface of the first screw 9 has a bottom bolt hole, in which a second hexagonal bolt is installed. The second hexagonal bolt is located in the longitudinal track groove 1d.

[0040] One end of the first pressure plate 11 presses on the support bolt of the first pressure plate support 7, and the other end of the first pressure plate 11 presses on the workpiece. The middle slotted hole of the first pressure plate is connected to the first screw 9.

[0041] The second pressure plate mechanism consists of two sets, located on the left and right sides of the first pressure plate mechanism, respectively. The second pressure plate mechanism includes a second pressure plate 12, second pressure plate supports 61 and 62, and second screws 81 and 82.

[0042] The second pressure plate supports 61 and 62 in the two sets of second pressure plate mechanisms have the same structure. The second pressure plate support includes a cylinder and a support bolt. The bottom surface of the cylinder has a bottom bolt hole, and the top surface of the cylinder has a top bolt hole. The support bolt is threaded and installed in the top bolt hole. In each set of second pressure plate mechanisms, one end of the second pressure plate presses on the support bolt of the second pressure plate support, and the other end of the second pressure plate presses on the workpiece. The waist-shaped hole in the middle of the second pressure plate is connected to the second screw.

[0043] See Figure 1 and Figure 2 A hexagonal bolt is installed in the bottom bolt hole of the second pressure plate support 61 in the second pressure plate mechanism. The hexagonal bolt is located in the rear track groove 1c, so that the second pressure plate support 61 is movably set in the rear track groove 1c. The second screw 81 in the second pressure plate mechanism is threadedly fixed to the third positioning block 4 of the rear support positioning mechanism.

[0044] In another set of second pressure plate mechanisms, the second pressure plate support 62 is bolted to the base plate 1 via bottom bolt holes. The bottom surface of the second screw 82 in this set of second pressure plate mechanisms has bottom bolt holes, in which a hexagonal bolt is installed. This hexagonal bolt is located in the rear track groove 1c, allowing the second screw to be installed in the rear track groove 1c. Furthermore, in this set of second pressure plate mechanisms, an auxiliary support 5 is also installed in the intermediate track groove 1b. The auxiliary support 5 abuts against the lower surface of the workpiece, located below the end of the workpiece pressed by the second pressure plate. The auxiliary support 5 consists of a cylinder and a support bolt. The bottom surface of the cylinder has bottom bolt holes, in which a hexagonal bolt is installed. This hexagonal bolt is located in the intermediate track groove 1b, allowing the auxiliary support 5 to be movably installed in the intermediate track groove 1b. The top surface of the cylinder has top bolt holes, in which a support bolt is threadedly installed.

[0045] The usage of the positioning and clamping device for different types of columns in this embodiment is as follows:

[0046] Based on the required horizontal positioning position of the workpiece, the position of the lateral positioning block mechanism in the front track groove 1a can be adjusted by moving the hexagonal bolts in the T-slot, thus positioning the left and right sides of the workpiece. Similarly, the positions of the front support positioning mechanism and the first pressure plate mechanism in the longitudinal track groove 1d can be adjusted, thus positioning the front and upper parts of the middle of the workpiece. Likewise, the position of the rear support positioning mechanism in the middle track groove 1b and the position of the second pressure plate mechanism can be adjusted, thus positioning the rear and upper parts of the workpiece. Furthermore, shims of appropriate height can be used in each positioning mechanism to accommodate different workpiece heights. The positioning and clamping device of this embodiment is applicable to positioning and clamping different types of column workpieces.

[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 applicable to different types of columns, characterized in that, include: The base plate, the lateral positioning block mechanism, the front support positioning mechanism, the rear support positioning mechanism, the first pressure plate mechanism, and the second pressure plate mechanism; A longitudinal track groove is provided in the middle of the upper surface of the base plate, and three transverse track grooves are provided on the left and right sides of the longitudinal track groove. The three transverse track grooves on each side are arranged in front, middle and rear order according to their positions. The lateral positioning block mechanism consists of two sets, left and right, which are movably installed on the front track grooves on the left and right sides respectively. The front support positioning mechanism is movably installed at the front side of the longitudinal track groove; The rear support positioning mechanism consists of two sets, left and right, which are movably installed on the middle track grooves on the left and right sides respectively. The first pressure plate mechanism is located at the rear side of the longitudinal track groove and includes a first pressure plate, a first pressure plate support, and a first screw. The second pressure plate mechanism consists of two sets, located on the left and right sides of the first pressure plate mechanism, respectively. Each set includes a second pressure plate, a second pressure plate support, and a second screw.

2. The positioning and clamping device applicable to different types of columns as described in claim 1, characterized in that: in, Each set of the lateral positioning block mechanism includes a first positioning block, a first pad block, and a first support bolt; The first positioning block has an L-shaped structure, with a vertical plate and a horizontal plate. The first support bolt is horizontally installed in the bolt hole of the vertical plate of the first positioning block. The first pad is located below the first positioning block, and the first positioning block is bolted to the first pad; The bottom surface of the first pad has a positioning block bottom bolt hole for installing hexagonal bolts.

3. The positioning and clamping device applicable to different types of columns as described in claim 1, characterized in that: in, The front support positioning mechanism includes a second positioning block, a second pad block, a front support bolt, and a bottom support bolt; The second positioning block has an L-shaped structure, with a vertical plate and a horizontal plate. The front support bolt is horizontally installed in the bolt hole of the vertical plate of the second positioning block, and the bottom support bolt is vertically installed in the bolt hole of the horizontal plate of the second positioning block. The second pad is located below the second positioning block, and the second positioning block is bolted to the second pad; The bottom surface of the second pad has a positioning block bottom bolt hole for installing hexagonal bolts.

4. The positioning and clamping device applicable to different types of columns as described in claim 1, characterized in that: in, Each set of rear support positioning mechanisms includes a third positioning block, a third pad block, a rear support bolt, and a bottom support assembly; The third positioning block has an L-shaped structure, with a vertical plate and a horizontal plate. The rear support bolt is horizontally installed in the bolt hole of the vertical plate of the third positioning block, and the bottom support assembly is vertically installed in the horizontal plate of the third positioning block. The third pad is located below the third positioning block, and the third positioning block is bolted to the third pad; The bottom surface of the third pad has a positioning block bottom bolt hole for installing hexagonal bolts.

5. The positioning and clamping device applicable to different types of columns as described in claim 4, characterized in that: in, The bottom support assembly includes a cylinder and a support bolt. The bottom surface of the cylinder has a bottom bolt hole, and the cylinder is bolted to the horizontal plate of the third positioning block. The top surface of the cylinder has a top bolt hole, and the support bolt is threadedly installed in the top bolt hole.

6. The positioning and clamping device applicable to different types of columns as described in any one of claims 2-4, characterized in that: in, Both the longitudinal track groove and the transverse track groove are T-shaped grooves, and the cross-sectional shape of the T-shaped groove is an inverted T-shape; A hexagonal bolt is installed in the bolt hole on the bottom surface of the positioning block, and the bolt head of the hexagonal bolt is located in the lower space of the inverted T-shaped T-slot.

7. The positioning and clamping device applicable to different types of columns as described in claim 1, characterized in that: in, The first pressure plate support is movably disposed at the rear side of the longitudinal track groove. The first pressure plate support includes a cylinder and a support bolt. The bottom surface of the cylinder has a bottom bolt hole, in which a first hexagonal bolt is installed. The first hexagonal bolt is located in the longitudinal track groove. The top surface of the cylinder has a top bolt hole, in which the support bolt is threadedly installed. The first screw is disposed in the longitudinal track groove, and a bottom bolt hole is provided on the bottom surface of the first screw. A second hexagonal bolt is installed in the bottom bolt hole, and the second hexagonal bolt is located in the longitudinal track groove. One end of the first pressure plate presses on the support bolt of the first pressure plate support, the other end of the first pressure plate presses on the workpiece, and the middle part of the first pressure plate is connected to the first screw.

8. The positioning and clamping device applicable to different types of columns as described in claim 1, characterized in that: in, In each group of second pressure plate mechanisms, one end of the second pressure plate presses against the second pressure plate support, the other end of the second pressure plate presses against the workpiece, and the middle part of the second pressure plate is connected to the second screw.

9. The positioning and clamping device applicable to different types of columns as described in claim 8, characterized in that: in, The second pressure plate support in the second pressure plate mechanism is movably disposed in the rear track groove, and the second screw of the group is fixed on the rear support positioning mechanism; The second pressure plate support in another set of the second pressure plate mechanism is fixed on the base plate, and the second screw of this set is installed in the rear track groove.

10. The positioning and clamping device applicable to different types of columns as described in claim 9, characterized in that: in, When the second screw of the second pressure plate mechanism is installed in the rear track groove, an auxiliary support is also installed in the intermediate track groove. The auxiliary support abuts against the lower surface of the workpiece and is located below the end of the workpiece pressed by the second pressure plate.

Images