CN218697900U

CN218697900U - Machining clamp for mechanical design

Info

Publication number: CN218697900U
Application number: CN202222725473.0U
Authority: CN
Inventors: 曹根皓
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-03-24
Anticipated expiration: 2032-10-17

Abstract

The utility model provides a machining clamp for mechanical design, include: the base is provided with two clamping plates which are arranged on the base in a sliding mode and a screw rod which is arranged between the two clamping plates; the machining clamp for mechanical design further comprises a movable joint part; the movable fit part comprises a plurality of sleeve parts arranged on the clamping plates in a rectangular array mode and a plurality of contact posts arranged on the sleeve parts in a penetrating mode, in the prior art, two clamping plates can only approach oppositely through rotation of the screw rod and clamp a workpiece in a single-point mode, compared with the prior art, the movable fit part is additionally arranged, the contact posts can move radially under the limiting effect of the sleeve parts, the contact posts can keep different radial moving distances when being moved by the clamping plates to abut against the workpiece, multiple points of the workpiece can receive uniform abutting acting force of consistency, balance of a workpiece clamping state is guaranteed, and the state of the workpiece in design and processing work is accurate.

Description

Machining clamp for mechanical design

Technical Field

The utility model relates to an anchor clamps technical field particularly, relates to a machining clamp for mechanical design.

Background

In mechanical design, local processing or modification needs to be carried out on the basis of a test workpiece, the test workpiece needs to be clamped by a clamp, and the clamp can only transversely clamp the workpiece and cannot selectively clamp the workpiece.

The machining clamp for mechanical design with the prior patent publication No. CN202120123243.X selects multiple clamping modes, comprises selection of transverse vertical clamping and selection of force application clamping and preliminary fixing, is convenient for operation of improving and machining an experimental workpiece in mechanical design teaching or practice, but cannot be in a standard shape in the workpiece design process, the selection of multiple clamping directions and clamping forces of the patent cannot be uniformly applied to multiple stress points of the workpiece, so that the clamping work of the workpiece cannot reach a high-quality balance effect, and the accuracy in the machining design process is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a machining clamp for mechanical design to solve above-mentioned problem.

In order to achieve the above object, the embodiment of the utility model provides a machining fixture for mechanical design, include: the base is provided with two clamping plates which are arranged on the base in a sliding mode and a screw rod which is arranged between the two clamping plates;

the machining clamp for mechanical design further comprises a movable joint part;

the movable attaching part comprises a plurality of sleeve parts arranged on the clamping plate in a rectangular array and a plurality of contact posts penetrating through the sleeve parts, wherein the contact posts are arranged on the sleeve parts;

the lead screw is rotated, and the two clamp plates can drive the two contact columns to move towards each other, so that the two contact columns can be attached to the object at the clamping positions and move away from each other along the sleeve parts in the opposite direction.

Further, the sleeve part comprises a plurality of groups of round holes arranged on the clamping plate and a plurality of rubber sleeves arranged in the plurality of groups of round holes;

the plurality of abutting columns can tightly penetrate through the plurality of rubber sleeves.

Furthermore, the sleeve part also comprises a plurality of rubber blocks which are integrally arranged on the outer wall of the rubber sleeve in a circumferential manner and a plurality of positioning holes which are arranged on the wall of the circular hole in a circumferential manner;

the glue blocks can be inserted into the positioning holes in a matched mode.

Furthermore, half section of the rubber block is isosceles trapezoid, and the other half section of the rubber block is fan-shaped.

Further, the machining jig for machine design further includes a locking portion;

the locking part comprises a rectangular cavity, a rectangular block, a plurality of locking rods and a hand-screwed bolt, wherein the rectangular cavity is arranged on the clamping plate, the rectangular block is inserted in the rectangular cavity, the locking rods and the hand-screwed bolt are arranged on the rectangular block in a penetrating manner, the hand-screwed bolt is rotatably connected with the rectangular block, and the hand-screwed bolt is arranged at the top end of the clamping plate

The hand-screwed bolt is rotated, and the rectangular block can drive the plurality of locking rods to descend along the rectangular cavity.

Furthermore, a rectangular hole is formed in the contact column;

the plurality of locking rods are inserted into the plurality of rectangular holes.

Furthermore, the locking part also comprises a plurality of contact blocks arranged on the locking rods;

the plurality of contact blocks are triangular;

and the middle vertical dividing line of the two triangles in each row is collinear with the middle vertical dividing line of the locking rod, wherein

When the rectangular blocks drive the plurality of locking rods to descend along the rectangular cavities, the plurality of locking rods can drive the plurality of contact blocks to abut against and position the plurality of rectangular holes.

Compared with the prior art, the embodiment of the utility model provides a following beneficial effect has:

among the prior art, rotation through the lead screw only can let two splint subtend be close and single-point centre gripping work piece, compared with the prior art increased activity laminating portion, a plurality of conflict posts can be radial movement under the limiting displacement of a plurality of sleeve portions, a plurality of conflict posts receive splint to remove and can keep different radial movable distance when conflicting the work piece, a plurality of points of work piece that make can receive the even conflict effort of uniformity, the balance of work piece centre gripping state has been guaranteed, let the state of work piece in the design processing work accurate.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 shows a top view of the present invention;

fig. 2 shows a partial front view of the present invention;

FIG. 3 shows a partial side view internal schematic of the present invention;

fig. 4 shows a front view of the hand-screwed bolting rectangular block of the present invention;

fig. 5 shows the rubber block schematic diagram for connecting the rubber sleeve of the present invention.

In the drawings

1. A base;

2. a splint;

3. a screw rod;

4. a movable fit part;

41. a sleeve portion; 411. a circular hole; 412. a rubber sleeve; 413. gluing blocks;

42. a contact post;

5. a locking portion; 51. a rectangular cavity; 52. a rectangular block; 53. a locking lever; 54. screwing the bolt by hand; 55. a contact block;

6. a rectangular hole.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

Referring to fig. 1, fig. 1 shows a top view of the present invention; referring to fig. 2, fig. 2 shows a partial front view of the present invention; referring to fig. 3, fig. 3 is a partial side view of the internal schematic diagram of the present invention; referring to fig. 4, fig. 4 is a front view of the hand-screwed bolt connection rectangular block of the present invention; referring to fig. 5, fig. 5 shows a schematic diagram of a rubber block connected to a rubber sleeve according to the present invention; as shown in fig. 1 to 5, a machining jig for machine design includes: the screw thread structure comprises a base 1, two clamping plates 2 arranged on the base 1 in a sliding mode and a screw rod 3 arranged between the two clamping plates 2, wherein the screw threads at two ends of the screw rod 3 are bidirectional screw threads, and the two-way screw thread structure is the prior art and is not explained much;

the machining clamp for mechanical design further comprises a movable joint part 4;

the movable attaching portion 4 includes a plurality of sleeve portions 41 arranged on the splint 2 in a rectangular array and a plurality of contact posts 42 penetrating the plurality of sleeve portions 41;

the screw rod 3 is rotated, the two clamp plates 2 can drive the two multiple butting columns 42 to move towards each other, so that the two multiple butting columns 42 are attached to a clamping object and then move away from the clamping object along the multiple sleeve portions 41 in opposite directions.

Optionally, the sleeve portion 41 includes a plurality of sets of circular holes 411 disposed on the clamping plate 2 and a plurality of rubber sleeves 412 disposed in the plurality of sets of circular holes 411;

a plurality of the conflict post 42 can closely run through a plurality of the gum cover 412, it is concrete, round hole 411 pore wall can be laminated to the outer wall of gum cover 412, and conflict post 42 outer wall can the interference fit gum cover 412 inner wall, and the elastic action of gum cover 412 can let conflict post 42 receive certain elastic locating effect, and the radial active state of conflict post 42 possesses the resistance, and conflicts post 42 and is difficult for the displacement of taking place once more after stopping the activity, and its location state of being convenient for is locked by follow-up work.

Optionally, the sleeve portion 41 further includes a plurality of rubber blocks 413 integrally disposed on the outer wall of the rubber sleeve 412 in a circumferential manner, and a plurality of positioning holes circumferentially disposed on the wall of the circular hole 411;

the plurality of rubber blocks 413 can be inserted into the plurality of positioning holes in a matched mode, specifically, the rubber blocks 413 are identical to the positioning holes in shape, after the rubber blocks 413 and the positioning holes are inserted, the rubber sleeve 412 can obtain a connecting effect in the other direction, the connecting position of the rubber sleeve 412 can be detached through pulling operation in the two directions, and maintenance and replacement of the rubber sleeve 412 are facilitated.

Optionally, half section of gluey piece 413 is isosceles trapezoid, just glue piece 413 other half section for fan-shaped, and is specific, glues the shape setting of piece 413, makes it just can cooperate the interlude locating hole through the pressing of gathering together the state, glues piece 413 and can be reset and keep the laminating effect good with the locating hole after the pressurized deformation, increases the fastness after the installation of gum cover 412.

Optionally, the machining jig for machine design further includes a locking portion 5;

the locking part 5 comprises a rectangular cavity 51 arranged in the clamping plate 2, a rectangular block 52 inserted in the rectangular cavity 51, a plurality of locking rods 53 arranged on the rectangular block 52 and a hand-screwed bolt 54 spirally penetrating the top end of the clamping plate 2, wherein the hand-screwed bolt 54 is rotatably connected with the rectangular block 52, and the locking part is arranged on the rectangular block 52

The hand-screwed bolt 54 is rotated, the rectangular block 52 can drive the plurality of locking rods 53 to descend along the rectangular cavity 51, specifically, the position of the hand-screwed bolt 54 is unchanged, the rectangular block 52 can stably move under the limiting effect of the rectangular cavity 51 through one operation of the hand-screwed bolt 54, the moving process of the rectangular block does not shake, and the plurality of locking rods 53 can also synchronously obtain one-time position adjustment to improve the efficiency.

Optionally, a rectangular hole 6 is formed in the contact post 42;

the plurality of locking rods 53 penetrate the plurality of rectangular holes 6, specifically, the length of the rectangular hole 6 is greater than the thickness of the locking rod 53, so that the radial movement process of the contact column 42 is not blocked.

Optionally, the locking portion 5 further includes a plurality of contact blocks 55 disposed on the plurality of locking rods 53;

the plurality of contact blocks 55 are triangular;

and the bisector of the two triangles of each row is collinear with the bisector of the locking lever 53, wherein

Rectangular block 52 follows rectangular cavity 51 drives a plurality of when locking lever 53 descends, a plurality of locking lever 53 can drive a plurality of the position of support under the contact block 55 is supported a plurality of rectangular hole 6, specifically, the width is narrow down on the contact block 55, and contact block 55 lateral surface is the inclined plane, and the inclined plane is by down gradually towards the shape that locking lever 53 is close, and conflict block 55 can make the inclined plane conflict the lateral wall of rectangular hole 6 gradually along with the descending operation of locking lever 53, and until contact block 55 can no longer remove, the regulation state of messenger's hand-screw bolt 54 is conducted and is impeld a plurality of contact posts 42 lock, lets behind a plurality of contact posts 42 adjusting position to the pinch point lock of work piece, improves the security that equipment used.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a machining clamp for mechanical design which characterized in that includes: the device comprises a base (1), two clamping plates (2) arranged on the base (1) in a sliding mode and a screw rod (3) arranged between the two clamping plates (2);

the machining clamp for mechanical design further comprises a movable joint part (4);

the movable attaching part (4) comprises a plurality of sleeve parts (41) which are arranged on the splint (2) in a rectangular array and a plurality of contact columns (42) which penetrate through the sleeve parts (41), wherein the movable attaching part is provided with a plurality of contact holes;

the screw rod (3) is rotated, the two clamping plates (2) can drive the multiple contact posts (42) at two positions to move towards each other, so that the multiple contact posts (42) at two positions are attached to clamping objects and then move away from each other along the multiple sleeve portions (41) in a facing mode.

2. A machining jig for mechanical design according to claim 1,

the sleeve part (41) comprises a plurality of groups of round holes (411) arranged on the splint (2) and a plurality of rubber sleeves (412) arranged in the plurality of groups of round holes (411);

the plurality of abutting columns (42) can tightly penetrate through the plurality of rubber sleeves (412).

3. A machining jig for mechanical design according to claim 2,

the sleeve part (41) also comprises a plurality of rubber blocks (413) which are integrally arranged on the outer wall of the rubber sleeve (412) in a circumferential manner and a plurality of positioning holes which are arranged on the wall of the round hole (411) in a circumferential manner;

the glue blocks (413) can be inserted into the positioning holes in a matched mode.

4. A machining jig for mechanical design according to claim 3,

half section of the rubber block (413) is isosceles trapezoid, and the other half section of the rubber block (413) is fan-shaped.

5. A machining jig for mechanical design according to claim 4,

the machining jig for machine design further includes a locking portion (5);

the locking part (5) comprises a rectangular cavity (51) arranged on the clamping plate (2), a rectangular block (52) inserted in the rectangular cavity (51), a plurality of locking rods (53) arranged on the rectangular block (52) and a hand-screwed bolt (54) spirally penetrating the top end of the clamping plate (2), wherein the hand-screwed bolt (54) is rotatably connected with the rectangular block (52), and the locking part (5) is arranged on the clamping plate (2)

And when the hand-screwed bolt (54) is rotated, the rectangular block (52) can drive the locking rods (53) to descend along the rectangular cavity (51).

6. A machining jig for mechanical design according to claim 5,

the contact column (42) is provided with a rectangular hole (6);

the plurality of locking rods (53) penetrate through the plurality of rectangular holes (6).

7. A machining jig for mechanical design according to claim 6,

the locking part (5) also comprises a plurality of contact blocks (55) arranged on the locking rods (53);

the plurality of contact blocks (55) are triangular;

and the vertical bisector of the two triangles in each row is collinear with the vertical bisector of the locking rod (53), wherein

When the rectangular blocks (52) drive the plurality of locking rods (53) to descend along the rectangular cavities (51), the plurality of locking rods (53) can drive the plurality of contact blocks (55) to downwards abut against and position the plurality of rectangular holes (6).