CN219542311U - Workpiece clamp for die - Google Patents

Abstract

The utility model discloses a workpiece clamp for a die, which comprises a pressing rod used for pressing the die, wherein a cylindrical pin is assembled at the bottom end of the pressing rod, a first through hole is formed in the middle of the cylindrical pin and used for penetrating a bolt, the bolt penetrates through the first through hole of the cylindrical pin and then penetrates through a second through hole of a supporting block, and the bolt is finally connected with a clamping block in a threaded mode. When the die needs to be fixed, the clamping blocks are embedded in the inner groove of the workbench and are fixed, after the bolts are screwed, the bolts press down the cylindrical pins, the cylindrical pins push down the pressing rods, the pressing rods are tightly pressed against the supporting blocks, and finally the pressing rods can be tightly pressed against the die, so that the purpose of fixing the die is achieved. The purpose of fixing the die can be achieved by only rotating one bolt, so that the operation is simpler.

Description

Workpiece clamp for die

Technical Field

The utility model belongs to the technical field related to die machining, and particularly relates to a workpiece clamp for a die.

Background

With the development of society, mold devices are often used in various industries during production, and drilling of molds is a common machining operation during mold production.

In the prior art, when the die is drilled, the die is usually fixed and clamped by adopting a fastening bolt mode, so that a worker cannot conveniently fix and clamp the die, and the machined die is inconvenient to take down, so that the problem of inconvenient use exists.

For example, in a workpiece positioner for a machine tool, the purpose of fastening a workpiece cannot be achieved yet, as in the case of CN202221476066.4, two bolts, namely, a screw 4 and a hexagonal nut 3, need to be loosened and then screwed after being moved to a proper position when the workpiece is fixed.

Disclosure of Invention

The present utility model is directed to a workpiece holder for a mold, which solves the above-mentioned problems of the prior art.

In order to solve the technical problems, the utility model is realized by the following technical measures: the utility model provides a work piece anchor clamps for mould, is including the depression bar that is used for pushing down the mould to and inlay the fixture block in the inside groove of workstation, wherein, the cylindric lock has been assembled to the depression bar bottom, be equipped with first through-hole in the middle of the cylindric lock, first through-hole is used for passing the bolt, after the bolt passed the first through-hole of cylindric lock, again passed the second through-hole of supporting piece, the bolt last with fixture block threaded connection.

Compared with the prior art, the utility model has the advantages that: when the die needs to be fixed, the die can be firmly fixed by only unscrewing the bolts, attaching the compression bar to the die and screwing the bolts. The principle is as follows: after the pressure bar is stuck to the die, the bolt sequentially passes through the through holes of the cylindrical pin, the pressure bar and the supporting block which are assembled on the pressure bar and then is in threaded connection with the internal thread of the clamping block. The purpose of fixing the die can be achieved by only rotating one bolt, so that the operation is simpler.

As an improvement of the utility model, the bottom end of the pressure rod integrally extends out of a cylindrical and transversely arranged connecting part, an open slot is dug in the middle of the connecting part, and a third through hole for assembling a cylindrical pin is arranged in the center direction of the connecting part. The purpose of the design is selected: the cylindrical pin can be assembled through the third through hole of the compression bar, meanwhile, the cylindrical connecting part enables the stress of the cylindrical pin to be more reasonable, and the cylindrical pin is enabled to be more uniformly stressed through the design of the opening groove.

As an improvement of the utility model, a plurality of engaging convex teeth are arranged on the round surface of the connecting part. The purpose of the design is selected: a row of convex teeth are designed on the round surface of the connecting part, so that the contact between the original round surface and the round surface is changed into the contact between the tooth surface and the tooth surface, and the novel structure ensures that the compression bar can not generate tiny displacement after pressing the supporting block, thereby ensuring that the compression bar presses the die more stably.

As an improvement of the utility model, the supporting block is provided with an inward concave arc surface, and the arc surface is provided with meshing concave teeth which are matched with the meshing convex teeth. The purpose of the design is selected: a row of concave teeth are designed on the arc surface of the supporting block, so that the contact between the original arc surface and the arc surface is changed into the contact between the tooth surface and the tooth surface, and the novel structure ensures that the compression bar can not generate tiny displacement after pressing the supporting block, thereby ensuring that the compression bar presses the die more stably.

As an improvement of the utility model, the clamping block is provided with an internal thread in threaded connection with the bolt. The purpose of the design is selected: the clamping block can be connected with the bolts in a threaded manner, and the clamping block is embedded in the inner groove of the workbench and cannot move up and down, so that after the bolts are screwed in, the generated pressure is transmitted, and the compression bar can be finally pressed against the die.

As an improvement of the utility model, the third through hole is in clearance fit with the cylindrical pin. The purpose of the design is selected: the cylindrical pin has contact areas as much as possible, and can better directly press the third through hole, thereby better driving the stress of the compression bar.

As an improvement of the utility model, the appearance of the pressure lever is in a flat bar shape, and a plurality of saw-shaped steps are arranged on the pressure lever near the end side of the pressure die. The purpose of the design is selected: the design of the flat rod shape can lead the compression bar to save more materials under the condition of the same stress. The saw-shaped steps are designed, so that two surfaces of the compression bar can press the die at the same time, and the die can be more stable.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 is an exploded view of a work holder for a mold according to the present utility model.

Fig. 2 is a perspective view of a support block according to the present utility model.

Fig. 3 is a perspective view of a compression bar according to the present utility model.

Fig. 4 is a perspective view of a cylindrical pin according to the present utility model.

Fig. 5 is a schematic view of the installation and use of the workpiece holder according to the utility model.

FIG. 6 is a diagram illustrating the installation and use of the compression bar and the support block according to the present utility model.

Reference numerals illustrate: 1. a compression bar; 2. a cylindrical pin; 3. a support block; 4. a bolt; 5. a clamping block; 6. engaging the concave teeth; 7. a first through hole; 8. engaging the teeth; 9. t-shaped grooves of a machine tool workbench; 10. a mold; 11. a second through hole; 12. an open slot; 13. saw-shaped steps; 14. a connection part; 15. and a third through hole.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, and may be, for example, either fixed or removable; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Unless expressly stated or limited otherwise, a first feature being "above" or "below" a second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

Example 1

Referring to fig. 1-6, a workpiece holder for a mold 10 according to the present embodiment includes a pressing rod 1 for pressing the mold 10, in an embodiment of the present utility model, referring to fig. 3, a connecting portion 14 integrally extending from a bottom end of the pressing rod 1 is provided with a cylindrical and transverse portion, and an open slot 12 is formed in a middle of the connecting portion 14. A third through hole 15 for fitting the cylindrical pin 2 is provided in the center direction of the connecting portion 14. The stress of the cylindrical pin 2 can be more reasonable.

In the embodiment of the present utility model, the circular surface of the connecting portion 14 is provided with the half-circumference engaging convex tooth 8, so that the contact between the original circular surface and the circular surface is changed into the contact between the tooth surface and the tooth surface, and the novel structure makes the compression bar 1 not slightly shift after pressing the supporting block 3, so that the compression bar 1 presses the die 10 more stably.

In the embodiment of the present application, referring to fig. 4, a first through hole 7 is provided in the middle of the cylindrical pin 2, and the first through hole 7 is used for passing through the bolt 4. The cylindrical pin 2 is in clearance fit with the third through hole.

In the embodiment of the present application, referring to fig. 2, the supporting block 3 is provided with a concave arc surface, and the arc surface is provided with engaging concave teeth 6 which are matched with the engaging convex teeth 8, so that the two shapes are matched with each other, and the number of the engaging concave teeth is the same. A second through hole 11 is provided in the center of the support block 3 for passing a bolt. A row of concave teeth are designed on the arc surface of the supporting block 3, so that the contact between the original arc surface and the arc surface is changed into the contact between the tooth surface and the tooth surface, and the novel structure ensures that the compression bar 1 does not generate tiny displacement after pressing the supporting block 3, thereby ensuring that the compression bar 1 presses the die 10 more stably.

In the embodiment of the present application, referring to fig. 3, the shape of the compression bar 1 is a flat bar, and a plurality of saw-shaped steps 13 are disposed on the end side of the compression bar 1 near the pressing mold 10. The saw-shaped step 13 is designed, so that two surfaces of the compression bar 1 can press the die 10 simultaneously, and the die 10 can be more stable.

In the embodiment of the present application, please refer to fig. 1, the fixture block 5 is designed according to the slot width of the T-shaped slot 22 of the machine tool workbench, and the internal thread is M18. The clamping block 5 is in threaded connection with the bolt 4, and the clamping block 5 is embedded in the T-shaped groove of the workbench and cannot move up and down, so that the compression bar 1 can be finally pressed against the die 10 through transmission of pressure generated after the bolt 4 is screwed in.

In the workpiece holder for the mold 10 according to the present embodiment, they are connected as follows, referring to fig. 5, when the mold 10 needs to be fixed, the bolt 4 is unscrewed, the compression bar 1 is attached to the mold 10, and then the bolt 4 is screwed, so that the mold 10 can be firmly fixed. The principle is as follows: after the compression bar 1 sticks to the die 10, the bolt 4 sequentially passes through the through holes of the cylindrical pin 2, the compression bar 1 and the supporting block 3 which are assembled on the compression bar 1, and then is in threaded connection with the internal thread of the clamping block 5, because the clamping block 5 is embedded in the internal groove of the T-shaped groove 9 of the machine tool workbench and is fixed, after the bolt 4 is screwed, the bolt 4 presses down the cylindrical pin 2, the cylindrical pin 2 pushes down the compression bar 1, the compression bar 1 is tightly pressed against the supporting block 3, and finally the compression bar 1 can be tightly pressed against the die 10, thereby achieving the purpose of fixing the die 10.

Compared with the prior art, the workpiece clamp for the die has the advantages that: when the die is clamped again, the purpose of fixing the die can be achieved by only rotating one bolt, so that the operation is simpler. The novel workpiece clamp is very suitable for the application field of die processing because the die is frequently assembled and disassembled during die processing.

The foregoing is illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the claims. The present utility model is not limited to the above embodiments, and the specific structure thereof is allowed to vary. All changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims (7)

1. A workpiece holder for a mould, comprising a compression bar (1) for pressing the mould and a clamping block (5) embedded in an inner groove of a workbench, characterized in that: the novel hydraulic cylinder is characterized in that a cylindrical pin (2) is assembled at the bottom end of the compression bar (1), a first through hole (7) is formed in the middle of the cylindrical pin (2), the first through hole (7) is used for penetrating a bolt (4), after penetrating the first through hole (7) of the cylindrical pin (2), the bolt (4) penetrates through a second through hole (11) of the supporting block (3), and the bolt (4) is finally in threaded connection with the clamping block (5).

2. A workpiece holder for a mold according to claim 1, characterized in that: the connecting part (14) which is arranged in a cylindrical and transverse mode integrally extends from the bottom end of the compression bar (1), the open slot (12) is dug in the middle of the connecting part (14), and a third through hole (15) for assembling the cylindrical pin (2) is formed in the center direction of the connecting part (14).

3. A workpiece holder for a mold according to claim 2, characterized in that: a plurality of engaging convex teeth (8) are arranged on the round surface of the connecting part (14).

4. A workpiece holder for a mold according to claim 3, characterized in that: the supporting block (3) is provided with an inward concave arc surface, and the arc surface is provided with a meshing concave tooth (6) which is matched with the meshing convex tooth (8).

5. A workpiece holder for a mold according to claim 1, characterized in that: the clamping block (5) is provided with an internal thread in threaded connection with the bolt (4).

6. A workpiece holder for a mold according to claim 2, characterized in that: the third through hole (15) is in clearance fit with the cylindrical pin (2).

7. A workpiece holder for a mold according to claim 1, characterized in that: the appearance of the pressure lever (1) is in a flat bar shape, and a plurality of saw-shaped steps (13) are arranged on the side, close to the end side of the pressure die (10), of the pressure lever (1).