Operating table clamping mechanism

Abstract

The utility model discloses an operating platform clamping mechanism which comprises a fixed vise body, the fixed vise body is provided with a fixed clamping plane, the clamping mechanism further comprises a sliding block and a threaded rod, the threaded rod is in threaded connection with the side, opposite to the side provided with the clamping plane, of the fixed vise body, one end of the threaded rod is rotationally connected with the sliding block, and the sliding block is in sliding fit with the fixed vise body. A special-shaped clamping mechanism is fixedly installed on the sliding block and comprises a holding part, and the holding part can rotate around one end of the holding part. The holding part is rotated to drive the parting clamp blocks to linearly move in the direction perpendicular to the sliding direction of the sliding block, the two groups of parting clamp blocks are oppositely arranged, and the part between the two groups of parting clamp blocks is used for containing the end of the raw material. The two opposite sides of the end with the irregular surface can be clamped and fixed, and meanwhile raw materials can be effectively prevented from sliding and falling off in the carving process through the constraint of the two sets of forming clamp blocks and the fixed clamping plane on the raw materials.

Description

TECHNICAL FIELD

[0001] The utility model relates to clamp technical field especially relates to a operation platform clamping mechanism. BACKGROUND

[0002] In the process of carving, usually use vise to fix raw material, through rotating screw rod or handle to drive movable vice body to move, realize the interval adjustment between movable vice body and fixed vice body, thereby form extrusion to both ends of raw material, and then clamp raw material. But this clamping mode has the following defects, because the clamping surface of vise is usually plane, when one end of raw material is non-plane, because this end is point contact or small contact surface with vice body, thus lead to the slippage of one end of raw material in the process of processing, cause raw material to loosen. SUMMARY

[0003] Therefore, in order to solve the above-mentioned insufficient, the utility model provides an operation platform clamping mechanism here, including fixed vice body, the fixed vice body has fixed clamping plane, the clamping mechanism still includes sliding block and screw rod, the screw rod is connected with the opposite side of fixed vice body with clamping plane side thread, and one end of screw rod is rotationally connected with sliding block, the sliding block is slidingly matched with fixed vice body, and the special-shaped clamping mechanism is fixedly installed on the sliding block, the special-shaped clamping mechanism includes:

[0004] Gripping portion, the gripping portion can rotate around one end thereof;

[0005] Splitting vice block, the splitting vice block is driven to move linearly along the direction perpendicular to the sliding direction of sliding block by rotating gripping portion, the splitting vice block is provided with two groups, two groups the splitting vice block are oppositely arranged, and the splitting vice block is used for accommodating the end of raw material between two groups.

[0006] The utility model drives the splitting vice block to move by rotating gripping portion, so that the splitting vice block is close to the end, until abuts with the end of raw material, in this process, two groups of splitting vice blocks will component adapt to the irregular surface of special-shaped raw material, so as to realize the clamping and fixing of the relative two sides of the end with irregular surface, at the same time, by rotating screw rod, the raw material fixed with one end by special-shaped clamping mechanism can be driven to be close to fixed clamping plane, so that the other end contacts and abuts with fixed clamping plane, through the constraint of two groups of splitting vice blocks and fixed clamping plane to raw material, the slippage and falling of raw material in the process of carving can be effectively reduced.

[0007] Further, the special-shaped clamping mechanism further includes a limiting block, the limiting block is provided with a U-shaped first limiting groove on the side close to the clamping plane, and the first side surface of the first limiting groove is provided with the splitting vice block.

[0008] By putting one end of raw material into the first limiting groove, the first limiting groove is used for limiting the side surface of the end of raw material, so as to improve the clamping positioning accuracy of raw material.

[0009] Further, a containing groove is arranged on the first side surface, and the containing groove is provided for the split clamp block to enter and exit.

[0010] Further, a second limiting groove is arranged on the upper side surface or the lower side surface of the containing groove, the second limiting groove extends linearly along a direction of movement of the split clamp block, an adjusting screw is arranged in the second limiting groove, the adjusting screw is rotatably arranged in the second limiting groove, and the adjusting screw is connected with the holding part.

[0011] The split clamp block is provided with a connecting block matched with the second limiting groove, and the connecting block is threadedly connected with the adjusting screw.

[0012] Further, a supporting limiting structure is arranged between the special-shaped clamping mechanism and the fixed clamping plane.

[0013] Further, the supporting limiting structure comprises a supporting plate, the supporting plate is fixedly arranged on the fixed clamp, and an arc-shaped or V-shaped third limiting groove is arranged on the upper surface of the supporting plate.

[0014] By placing the raw material into the third limiting groove of the supporting plate, the raw material can be supported, and the raw material is prevented from being suspended during clamping, and meanwhile, the third limiting groove can limit the bottom surface and part of the side surface of the raw material, so that the positioning precision of the raw material is improved in cooperation with the first limiting groove.

[0015] Further, the supporting limiting structure comprises:

[0016] a fixed block, the fixed block is fixedly arranged on the fixed clamp;

[0017] a lifting screw, the lifting screw is arranged along a first direction, and is threadedly connected with the fixed block, the first direction is perpendicular to a movement direction of the sliding block, and is perpendicular to a linear movement direction of the split clamp block;

[0018] a supporting block, the supporting block is arranged between the special-shaped clamping mechanism and the fixed clamping plane, the supporting block is connected with one end of the lifting screw, the lifting screw is rotatable relative to the supporting block, and an arc-shaped or V-shaped fourth limiting groove is arranged on the upper surface of the supporting block.

[0019] By rotating the lifting screw, the height of the supporting block can be adjusted, so that the position of the supporting block can be adjusted according to the radial dimension of the raw material, and the flexibility of clamping the raw material is improved.

[0020] The utility model has the advantages of:

[0021] The utility model discloses a rotating handle part drives the movement of the split clamp block to make the split clamp block close to the end, until and the raw material end portion abuts, in this process, two split clamp block assemblies are self -adaptation irregular surface of special-shaped raw material to realize the clamping fixation of the opposite two sides of the end with irregular surface, simultaneously, through the rotation screw rod, can drive the raw material of special-shaped clamping mechanism fixed one end to the fixed clamping plane close, make its other end and fixed clamping plane contact, abut, through the constraint of two split clamp blocks and fixed clamping plane to raw material, can effectively reduce the raw material to slip, fall off in the process of carving. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the structure schematic drawing of the clamping mechanism in example 1;

[0023] Figure 2 It is Figure 1 The structure schematic drawing of the special-shaped clamping mechanism in the clamping mechanism shown in figure;

[0024] Figure 3 It is Figure 2 The sectional view schematic drawing of the special-shaped clamping mechanism shown in figure;

[0025] Figure 4 It is Figure 3 The enlarged schematic drawing of the partial structure A in the special-shaped clamping mechanism shown in figure;

[0026] Figure 5 It is Figure 2 The structure schematic drawing of the split clamp block in the special-shaped clamping mechanism shown in figure;

[0027] Figure 6 It is Figure 5 The structure schematic drawing of the movable mounting block in the split clamp block shown in figure;

[0028] Figure 7 It is Figure 5 The structure schematic drawing of the first rotating mounting block in the split clamp block shown in figure;

[0029] Figure 8 It is Figure 5 The structure schematic drawing of the rotating clamp block in the split clamp block shown in figure;

[0030] Figure 9 It is the structure schematic drawing of the clamping mechanism in example 2;

[0031] Figure 10 It is the structure schematic drawing of the clamping mechanism in example 3;

[0032] Figure 11 It is Figure 10 The structure schematic drawing of the support limiting structure in the clamping mechanism shown in figure;

[0033] Figure 12 It isFigure 1 、 Figure 9 or Figure 10 schematic diagram of the clamping mechanism shown in FIGS. 1-3 clamping raw materials;

[0034] in the drawings:

[0035] 100, fixed jaw body; 110, fixed clamping plane;

[0036] 200, special-shaped clamping mechanism; 210, limiting block; 211, first limiting groove; 211A, first side surface; 212, accommodating groove; 213, second limiting groove; 220, holding portion; 230, split clamp block; 231, movable mounting block; 231A, first guide groove; 232, connecting block; 233, first rotary mounting block; 233A, first guide block; 233B, second guide groove; 234, second rotary mounting block; 235, rotary clamp block; 235A, third guide block; 235B, clamping surface; 250, adjusting screw;

[0037] 300, slider;

[0038] 400, screw;

[0039] 500, support plate; 510, third limiting groove;

[0040] 600, adjustable support structure; 610, support block; 620, fixed block; 630, lifting screw;

[0041] 700, raw material. DETAILED DESCRIPTION

[0042] Embodiments of the present application are described in detail below with reference to the attached drawing figures, wherein the same or like reference numerals and characters throughout the figures denote the same or like components or elements having the same or similar functions. The embodiments described below are exemplary and are intended to be illustrative of the present application and are not to be used to limit the present application.

[0043] In this document, relational terms such as first and second, and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0044] As described in the background, since the clamping surface of the vice is generally a plane, when the raw material has a non-planar end, such as a bamboo root carving raw material with a root end, the end is in point contact or has a small contact area with the vice body, resulting in slippage of the end of the raw material during processing, causing the raw material to loosen.

[0045] Therefore, in order to solve the above technical problems existing in the prior art, the present application provides the following embodiments.

[0046] Embodiment 1:

[0047] The present embodiment provides a workbench clamping mechanism, as shown in Figure 1 The clamping mechanism includes a fixed vice body 100 having a fixed clamping plane 110;

[0048] The clamping mechanism further includes a sliding block 300 and a screw rod 400, the screw rod is threadedly connected with the opposite side of the fixed vice body having the clamping plane side, and one end of the screw rod is rotationally connected with the sliding block, the sliding block is slidingly fitted with the fixed vice body, and a special-shaped clamping mechanism 200 is fixedly installed on the sliding block;

[0049] As shown in Figure 2 The special-shaped clamping mechanism includes:

[0050] A holding portion 220 rotatable about one end thereof;

[0051] A parting vice block 230 linearly movable along a direction perpendicular to the sliding direction of the sliding block by rotating the holding portion, the parting vice block is provided in two groups, the two groups of parting vice blocks are oppositely arranged, and the two groups of parting vice blocks are used to accommodate the end portion of the raw material.

[0052] In use, as shown in Figure 12 The end having an irregular surface is placed between the two groups of parting vice blocks, and the other end is in contact with the fixed clamping plane. First, the holding portion is rotated to drive the parting vice block to move, so that the parting vice block approaches the end portion until it abuts against the end portion of the raw material 700. In this process, the two groups of parting vice blocks adapt to the irregular surface of the special-shaped raw material, thereby achieving clamping and fixing of the two sides of the end portion having an irregular surface. Then, the screw rod is rotated to drive the raw material having one end fixed by the special-shaped clamping mechanism to approach the fixed clamping plane, so that the other end is in contact with and abuts against the fixed clamping plane.

[0053] The present embodiment can effectively reduce the slippage and loosening of the raw material during carving by the constraint of the two groups of parting vice blocks and the fixed clamping plane.

[0054] In the present embodiment, as shown in Figure 5 The parting vice block includes:

[0055] The movable mounting block 231 is driven to move linearly by rotating the holding part Figure 6 As shown in the figure, the side of the movable mounting block close to the raw material end has a first circular arc groove, and a first guide groove 231A with a T-shaped cross section is arranged on the surface of the first circular arc groove, and the first guide groove is arranged along the first circular arc groove.

[0056] The first rotating mounting block 233, as shown in the figure, has a first guide block 233A on one side that matches the first guide groove, and has at least one second circular arc groove on the side away from the first guide block, and a second guide groove 233B with a T-shaped cross section is arranged on the surface of the second circular arc groove, and the second guide groove is arranged along the second circular arc groove. Figure 7

[0057] The second rotating mounting block 234 has a second guide block that matches the second guide groove, and has at least one third circular arc groove on the side away from the second guide block, and a third guide groove with a T-shaped cross section is arranged on the third circular arc groove, and the third guide groove is arranged along the third circular arc groove.

[0058] The rotating clamp block 235, as shown in the figure, has a third guide block 235A on one side that matches the third guide groove, and has a wavy clamping surface 235B on the side away from the third guide block. Figure 8 During the movement of the split clamp block, the first rotating mounting block, the second rotating mounting block and the rotating clamp block are rotated by the force between the rotating clamp block and the surface of the raw material, so that the clamp block can be adjusted step by step according to the contour of the object until all the rotating clamp blocks are in complete contact with the surface of the object.

[0059] In this embodiment, as shown in the figure, the special-shaped clamping mechanism can further include a limiting block 210, and the side close to the clamping plane of the limiting block is provided with a U-shaped first limiting groove 211, and the first side surface 211A of the first limiting groove is provided with the split clamp block.

[0060] Figure 2 In this embodiment, by placing one end of the raw material into the first limiting groove, the side surface of the end of the raw material is limited by the first limiting groove, so as to improve the clamping and positioning accuracy of the raw material.

[0061] In addition, as shown in the figure, the first side surface is provided with a containing groove 212 for the split clamp block to enter and exit.

[0062] In addition, as shown in the figure, the first side surface is provided with a containing groove 212 for the split clamp block to enter and exit. Figure 3 As shown in the figure, the first side surface is provided with a containing groove 212 for the split clamp block to enter and exit.

[0063] Figure 4 ​​​As shown, a second limiting groove 213 is arranged on the upper side or lower side of the accommodating groove, the second limiting groove extends linearly along the movement direction of the split clamp block, an adjusting screw 250 is arranged in the second limiting groove, the adjusting screw is rotatably installed in the second limiting groove and is connected with the holding part;

[0064] The split clamp block has a connecting block 232 matched with the second limiting groove, and the connecting block is threadedly connected with the adjusting screw.

[0065] In this embodiment, the holding part is rotated to drive the adjusting screw to rotate, so that the linear movement of the split clamp block is realized. By arranging the accommodating groove, when the split clamp block moves to the end of the second limiting groove close to the outer side of the limiting block, the split clamp block is completely accommodated in the accommodating groove. Compared with the split clamp block which can only move in the first limiting groove, this way can accommodate raw materials with a higher upper limit of size.

[0066] Embodiment 2:

[0067] In order to avoid the raw material being suspended during clamping, this embodiment improves the embodiment 1, and the supporting limiting structure is arranged between the special-shaped clamping mechanism and the fixed clamping plane.

[0068] This embodiment provides one of the supporting limiting structures, as shown in the accompanying drawings, Figure 9 As shown, the supporting limiting structure includes a supporting plate 500, the supporting plate is fixed on the fixed clamp block, and an arc-shaped or V-shaped third limiting groove 500A is arranged on the upper surface of the supporting plate.

[0069] By placing the raw material into the third limiting groove of the supporting plate, the raw material can be supported to avoid being suspended during clamping, and the third limiting groove can limit the bottom surface and part of the side surface of the raw material, so that the positioning accuracy of the raw material can be improved.

[0070] Embodiment 3:

[0071] This embodiment provides another structure of the supporting limiting structure, as shown in the accompanying drawings, Figure 10 As shown, the supporting limiting structure is an adjustable supporting structure 600, as shown in the accompanying drawings, Figure 11 As shown, the adjustable supporting structure includes:

[0072] A fixed block 620 is fixedly installed on the fixed clamp block;

[0073] A lifting screw is arranged in the first direction and is threadedly connected with the fixed block, the first direction is perpendicular to the movement direction of the sliding block and is perpendicular to the linear movement direction of the split clamp block;

[0074] The support block 610 is integrally arranged between the special-shaped clamping mechanism and the fixed clamping plane, is connected with one end of a lifting screw rod, the lifting screw rod is kept relative rotation with the support block, and an arc-shaped or V-shaped fourth limiting groove is arranged on the upper surface of the support block.

[0075] By rotating the lifting screw rod, the height of the support block can be adjusted, so that the position of the support block can be adjusted according to the radial size of the raw material, and the flexibility of raw material clamping is improved.

[0076] The above description of disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A bench clamping mechanism comprising a stationary jaw having a stationary clamping plane, characterized in that, The clamping mechanism further comprises a sliding block and a screw rod, the screw rod is threadedly connected with the opposite side of the fixed jaw body having the clamping plane side, and one end of the screw rod is rotationally connected with the sliding block, the sliding block is slidingly fitted with the fixed jaw body, a special-shaped clamping mechanism is fixedly installed on the sliding block, the special-shaped clamping mechanism comprises: a holding part, which can rotate around one end thereof; a parting jaw block, which is driven to move linearly along a direction perpendicular to the sliding direction of the sliding block by rotating the holding part, the parting jaw block is provided in two groups, the two groups of parting jaw blocks are oppositely arranged, and the two groups of parting jaw blocks are used for accommodating the end of the raw material.

2. An operator console clamp mechanism as in claim 1, wherein, The special-shaped clamping mechanism further comprises a limiting block, a U-shaped first limiting groove is formed on the side close to the clamping plane of the limiting block, and the parting jaw block is provided on the first side face corresponding to the first limiting groove.

3. An operation table clamping mechanism according to claim 2, wherein A containing groove is arranged on the first side face, which can be used for the parting jaw block to enter and exit.

4. An operation table clamping mechanism according to claim 3, wherein A second limiting groove is arranged on the upper side face or the lower side face of the containing groove, the second limiting groove linearly extends along a direction parallel to the movement direction of the parting jaw block, an adjusting screw rod is arranged in the second limiting groove, the adjusting screw rod is rotationally installed in the second limiting groove and is connected with the holding part; The parting jaw block has a connecting block matched with the second limiting groove, and the connecting block is threadedly connected with the adjusting screw rod.

5. The table clamping mechanism of claim 1, wherein, A supporting limiting structure is arranged between the special-shaped clamping mechanism and the fixed clamping plane.

6. An operation table clamping mechanism according to claim 5, wherein The supporting limiting structure comprises a supporting plate, which is integrally fixed on the fixed jaw body, and an arc-shaped or V-shaped third limiting groove is arranged on the upper surface of the supporting plate.

7. An operation table clamping mechanism according to claim 5, wherein The supporting limiting structure comprises: a fixed block, which is fixedly installed on the fixed jaw body; a lifting screw rod, which is integrally arranged along a first direction and is threadedly connected with the fixed block, the first direction is perpendicular to the movement direction of the sliding block and is perpendicular to the linear movement direction of the parting jaw block; a supporting block, which is integrally arranged between the special-shaped clamping mechanism and the fixed clamping plane, the supporting block is connected with one end of the lifting screw rod, the lifting screw rod and the supporting block are relatively rotatable, and an arc-shaped or V-shaped fourth limiting groove is arranged on the upper surface of the supporting block.

Images