Positioning and clamping device for guide plate

Abstract

The utility model provides a positioning and clamping device for a guide plate, which is characterized by comprising a right-angle base, a foundation plate, a workpiece upper end positioning mechanism, a workpiece middle part positioning mechanism and a workpiece lower part positioning mechanism, the foundation plate is vertically arranged and fixed on the right-angle base, and a processing through hole is formed in the middle position of the foundation plate; the workpiece upper end positioning mechanism comprises two equal-height blocks fixedly installed on the foundation plate, two first screw rods installed on the two equal-height blocks correspondingly, and a first pressing plate connected with the two first screw rods. The workpiece middle positioning mechanism comprises two side positioning seats fixed on the foundation plate, and each side positioning seat is provided with a positioning bolt; the workpiece lower portion positioning mechanism comprises two second screw rods fixedly installed on the foundation plate and two second pressing plates connected with the two second screw rods correspondingly. According to the positioning and clamping device for the guide plate, the stability and the consistency of workpiece clamping of the guide plate are improved.

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 guide plate. Background Technology

[0002] During the rough machining of guide plates for mechanical parts, they need to be positioned and clamped. The common practice in the existing technology is to fix them on a general-purpose fixture on the machine tool. However, clamping with a general-purpose fixture mainly relies on manual operation to adjust the positioning, which is time-consuming, and the stability and consistency of clamping are difficult to guarantee. Utility Model Content

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

[0004] To achieve the above objectives, this utility model provides a positioning and clamping device for a guide plate, characterized in that it includes: a right-angle base, a base plate, an upper workpiece positioning mechanism, a middle workpiece positioning mechanism, and a lower workpiece positioning mechanism. The base plate is vertically arranged and fixed on the right-angle base, with a machining through hole in the middle position. The upper workpiece positioning mechanism includes two equal-height blocks fixed on the base plate, two first screws respectively mounted on the two equal-height blocks, and a first pressure plate connected to the two first screws. The middle workpiece positioning mechanism includes two side positioning seats fixed on the base plate, each side positioning seat having a positioning bolt installed on it. The lower workpiece positioning mechanism includes two second screws fixed on the base plate and two second pressure plates respectively connected to the two second screws.

[0005] Furthermore, the positioning and clamping device for the guide plate provided by this utility model may also have the following features: the right-angle base includes a base plate, a vertical plate, a top plate, and a reinforcing support plate; there are two vertical plates, which are vertically arranged and fixed to both sides of the upper surface of the base plate; the top plate is horizontally arranged, and the lower surfaces of both ends of the top plate are fixed to the top surfaces of the two vertical plates respectively; there are two reinforcing support plates, which are connected and fixed to the two vertical plates respectively, and the reinforcing support plates are also fixed to the base plate.

[0006] Furthermore, the positioning and clamping device for the guide plate provided by this utility model may also have the following feature: the reinforcing support plate is a triangular plate.

[0007] Furthermore, the positioning and clamping device for the guide plate provided by this utility model may also have the following features: a plurality of first bolt holes are provided on the vertical plate, and bolt holes matching the first bolt holes are provided on the base plate, and the base plate is bolted to the vertical plate for fixation.

[0008] Furthermore, the positioning and clamping device for the guide plate provided by this utility model may also have the following features: two sets of equal height block mounting holes are provided on the base plate, and the two sets of equal height block mounting holes are symmetrically arranged on the left and right sides of the upper part of the machining through hole; two sets of side positioning seat mounting holes are provided on the base plate, and the two sets of side positioning seat mounting holes are symmetrically arranged on the left and right sides of the lower part of the machining through hole.

[0009] Furthermore, the positioning and clamping device for the guide plate provided by this utility model may also have the following features: the lower positioning mechanism of the workpiece further includes a first support bolt for supporting the bottom of the workpiece; an extension block mounting hole is provided on the side of the base plate, and the extension block is bolted and fixed to the middle of the side of the base plate; two first support bolt mounting holes are symmetrically provided on the upper surface of the extension block, and the two first support bolts are respectively installed in the two first support bolt mounting holes.

[0010] Furthermore, the positioning and clamping device for the guide plate provided by this utility model may also have the following features: the second pressure plate has an L-shaped structure, one end of the second pressure plate presses on the surface of the workpiece, and the other end presses on the side of the extension block.

[0011] Furthermore, the positioning and clamping device for the guide plate provided by this utility model may also have the following features: the lower positioning mechanism of the workpiece further includes a second support bolt for supporting the side of the workpiece; the base plate is provided with second support bolt mounting holes symmetrically arranged on the left and right, and the two second support bolts are respectively installed in the two second support bolt mounting holes.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] This utility model discloses a positioning and clamping device specifically designed for guide plates. It is applicable to the rough machining of guide plate workpieces, enabling rapid clamping and positioning, and improving production efficiency. Because the device achieves workpiece positioning through upper, middle, and lower positioning mechanisms, the positioning is more precise, reducing manual intervention, saving operation time, and increasing production efficiency. It also improves the stability and consistency of workpiece clamping. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the positioning and clamping device for the guide plate in an embodiment of the present utility model. The pressure plate is not shown in the figure.

[0015] Figure 2 This is a schematic diagram of the back structure of the positioning and clamping device for the guide plate in an embodiment of this utility model;

[0016] Figure 3This is a schematic diagram illustrating the use of the positioning and clamping device for the guide plate in an embodiment of this utility model.

[0017] Figure 4 This is a schematic diagram of the right-angle base in an embodiment of the present utility model. (a) and (b) are the front view and the back view, respectively.

[0018] Figure 5 This is a schematic diagram of the structure of the base plate in an embodiment of this utility model. Detailed Implementation

[0019] 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.

[0020] See Figures 1 to 3 This embodiment provides a positioning and clamping device for a guide plate. This device is used to position and clamp the guide plate workpiece. The guide plate workpiece to be processed is hereinafter referred to as the workpiece (see...). Figure 3 (15). The positioning and clamping device for the guide plate includes: a right-angle base 1, a base plate 2, an upper workpiece positioning mechanism, a middle workpiece positioning mechanism, and a lower workpiece positioning mechanism.

[0021] See Figure 4 The right-angle base 1 includes a base plate 101, vertical plates 102, a top plate 103, and reinforcing support plates 104. Two vertical plates 102 are bolted to both sides of the upper surface of the base plate 101, forming a right angle with the bottom. One top plate 103 is horizontally positioned, with its lower ends bolted to the top surfaces of the two vertical plates 102. Two reinforcing support plates 104 are connected and fixed to the two vertical plates 102, and are also fixed to the base plate 101. The reinforcing support plates 104 are triangular.

[0022] See Figure 5 A through hole 21 is provided in the middle of the base plate 2. The shape of the through hole 21 is... Figure 5 As shown, the through hole is used for the cutting tool to extend into, so that both sides of the workpiece can be machined.

[0023] See Figure 4 A set of first bolt holes is provided on each of the two vertical plates 102 of the right-angle base 1. Figure 4 See also 102a, 102b, 102c, 102d). Figure 5 The base plate 2 has two sets of bolt holes arranged symmetrically on the left and right sides, which match the first bolt hole. Figure 5 (See 26, 27, 28, 29). The base plate 2 and the vertical plate 102 are fixed together by bolts, see [reference]. Figure 1 The base plate 2 is vertically fixed on the right-angle base 1.

[0024] The workpiece upper positioning mechanism includes: two leveling blocks 3, two first screws 8, and a first pressure plate 6. (See also...) Figure 5 The base plate 2 has two sets of height block mounting holes 22, which are symmetrically arranged on the left and right sides of the upper part of the machined through hole 21. Two height blocks 3 are fixed in the two sets of height block mounting holes 22 by bolts. One end of each of the two first screws 8 is bolted to the two height blocks 3. The first pressure plate 6 is a long strip with screw connection holes at both ends. The first pressure plate 6 presses against the workpiece, and both ends are connected and locked to the two first screws 8 respectively.

[0025] The workpiece center positioning mechanism includes two side positioning seats 4. Two sets of side positioning seat mounting holes 23 are provided on the base plate 2, symmetrically arranged on the left and right sides of the lower portion of the machined through hole 21. The side positioning seats 4 are fixed to the side positioning seat mounting holes 23 by bolts. Each side positioning seat 4 has a bolt hole, in which a positioning bolt 4a is installed. The position of the positioning bolt 4a can be adjusted by adjusting the depth to which it is screwed into the bolt hole, thus achieving side contact positioning of the workpiece.

[0026] The workpiece lower positioning mechanism includes two second screws 9, two second pressure plates 7, two first support bolts 11, and two second support bolts 12.

[0027] The first support bolt 11 is used to support the bottom of the workpiece. See also Figure 4 and Figure 3 The base plate 101 of the right-angle base 1 has an extension block mounting hole 101a on its side. The extension block 5 is bolted and fixed to the middle of the side of the base plate 101. Two first support bolt mounting holes are symmetrically arranged on the upper surface of the extension block 5, and two first support bolts 11 are respectively installed in the two first support bolt mounting holes. The first support bolts are hexagonal head bolts. The bolt head of the hexagonal head bolt is used to abut against the workpiece surface. The bolt shank of the hexagonal head bolt is also provided with a limiting hexagonal nut.

[0028] The second support bolt is used to support the side of the workpiece. See also Figure 5 and Figure 1 The base plate 2 has symmetrically arranged second support bolt mounting holes 24, and two second support bolts are respectively installed in the two second support bolt mounting holes 24. The second support bolts are hexagonal head bolts. The bolt head of the hexagonal head bolt is used to abut against the surface of the workpiece. The bolt shank of the hexagonal head bolt is also provided with a limiting hexagonal nut.

[0029] See Figure 5Two screw mounting holes 25 are provided on the base plate 2, and two second screws 9 are installed in the screw mounting holes 25. Two second pressure plates 7 are respectively connected and locked to the two second screws 9. The second pressure plates 7 have an L-shaped structure, with one end pressing on the surface of the workpiece and the other end pressing on the side of the extension block 5.

[0030] 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 guide plate, characterized in that, include: Right-angle base, base plate, upper workpiece positioning mechanism, middle workpiece positioning mechanism, lower workpiece positioning mechanism. The base plate is vertically arranged and fixed on the right-angled base, and a through hole is provided in the middle of the base plate; The workpiece upper positioning mechanism includes two equal-height blocks fixed on the base plate, two first screws respectively installed on the two equal-height blocks, and a first pressure plate connected to the two first screws. The workpiece center positioning mechanism includes two side positioning seats fixed on the base plate, and each side positioning seat is equipped with a positioning bolt; The workpiece lower positioning mechanism includes two second screws mounted and fixed on the base plate, and two second pressure plates respectively connected to the two second screws.

2. The positioning and clamping device for a guide plate as described in claim 1, characterized in that: in, The right-angle base includes a base plate, a vertical plate, a top plate, and a reinforcing support plate; The vertical plates consist of two pieces, which are vertically arranged and fixed to both sides of the upper surface of the base plate. The top plate is horizontally arranged, and the lower surfaces of both ends of the top plate are fixed to the top surfaces of the two vertical plates respectively; The reinforcing support plate consists of two pieces, which are respectively connected and fixed to the two vertical plates, and the reinforcing support plate is also fixed to the base plate.

3. The positioning and clamping device for a guide plate as described in claim 2, characterized in that: in, The reinforcing support plate is a triangular plate.

4. The positioning and clamping device for a guide plate as described in claim 2, characterized in that: in, The vertical plate has multiple first bolt holes, and the base plate has bolt holes that match the first bolt holes. The base plate is bolted to the vertical plate.

5. The positioning and clamping device for a guide plate as described in claim 1 or 4, characterized in that: in, The base plate has two sets of equal height block mounting holes, which are symmetrically arranged on the left and right sides of the upper part of the machining through hole. The base plate has two sets of side positioning seat mounting holes, which are symmetrically arranged on the left and right sides of the lower part of the machining through hole.

6. The positioning and clamping device for a guide plate as described in claim 2, characterized in that: in, The workpiece lower positioning mechanism also includes a first support bolt for supporting the bottom of the workpiece; The base plate has mounting holes for extension blocks on its side, and the extension blocks are bolted to the middle of the side of the base plate. The upper surface of the extension block has two first support bolt mounting holes symmetrically arranged on the left and right sides, and the two first support bolts are respectively installed in the two first support bolt mounting holes.

7. The positioning and clamping device for a guide plate as described in claim 6, characterized in that: in, The second pressure plate has an L-shaped structure, with one end pressing on the surface of the workpiece and the other end pressing on the side of the extension block.

8. The positioning and clamping device for a guide plate as described in claim 1, characterized in that: in, The workpiece lower positioning mechanism also includes a second support bolt for supporting the side of the workpiece; The base plate has symmetrical holes for mounting second support bolts, and two second support bolts are respectively installed in the two second support bolt mounting holes.

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