CN108188790B - Side pushes away compression tooling - Google Patents

Abstract

The invention discloses a side pushing and pressing tool, which comprises a side pushing and pressing mechanism and a positioning mechanism arranged on a base plate; the side pushing and pressing mechanism includes a push block which is connected with a power device and can move horizontally forward and backward, and is rotatably installed on a support The pressure rod on the top, the force-bearing end of the pressure rod is constrainedly connected with the push block through the vertical arc-shaped long hole, and the force-applying end of the pressure rod is connected with the pivot pin of the pressure rod on the support through the horizontal long hole; The tooling utilizes the principle of leverage to realize fast clamping of the workpiece and automatic retraction of the workpiece after processing, allowing the vertical space of the workpiece to facilitate the vertical pick-and-place of the workpiece in space, and avoiding the trouble caused by pick-and-place from the side. Scratches, bruises, crushed workpieces and other problems ensure the quality of the workpiece and improve work efficiency.

Description

Side push clamping tooling

technical field

The invention belongs to the technical field of tooling equipment, and in particular relates to a side pushing and pressing tooling.

Background technique

With the popularity and popularity of consumer electronic products, people have begun to devote themselves to satisfying consumers' requirements for improving the performance and appearance of electronic products. Moreover, with the increasingly shortened processing cycle of electronic products, it is urgent to shorten the precision processing cycle of electronic product components. In the process of processing workpieces, how to realize fast clamping and positioning of workpieces to improve production efficiency and at the same time ensure the consistency of processed workpieces is undoubtedly the key to workpiece processing.

In the process of CNC precision machining of electronic product parts, the most commonly used pressing method is to use two positioning pins to locate the workpiece. When the positioning pin is used to locate the workpiece, the cylinder pressure head directly presses the workpiece, because the cylinder pressure head is located directly above the workpiece. , so that the workpiece can only be picked and placed from the side, and cannot be picked and placed in the vertical space, which brings a certain degree of difficulty to the operator's operation, and in the process of picking and placing the workpiece, it is easy to cause scratches, bruises, and crushing of the workpiece And other problems, affecting the quality of the workpiece. In order to improve production efficiency and reduce the three injuries of scratches, bruises, and crushing, it is often necessary to vertically pick and place workpieces in space. Therefore, a compacting device that is convenient for vertically picking and placing workpieces in space is urgently needed.

Contents of the invention

The technical problem to be solved by the present invention is to provide a side pushing and pressing tool, which can realize the vertical picking and placing of workpieces in space, and is convenient for operation.

In order to solve the above-mentioned technical problems, the technical solution of the present invention is: a side pushing and compressing tool, including a flat substrate, and a side pushing and compressing mechanism is arranged on the substrate, and the side pushing and compressing mechanism includes: a power device; block, the push block is connected with the power device, and can move horizontally back and forth, and the push block shaft pin is fixed on the push block; pressure rod, the pressure rod includes a rod part, and the force-bearing end of the rod part is vertical An arc-shaped long hole is arranged in the direction, and the push block shaft pin is constrained in the arc-shaped long hole, and the force-applying end of the rod is provided with a horizontal long hole extending along its length; the support, the support is fixed On the base plate, a pressing rod pivot pin is fixed on the support, and the pressing rod pivot pin is constrained in the horizontal long hole.

Further, the push block is a wedge-shaped block, and the front end of the wedge-shaped block has a slope; the pressing rod is rotatably mounted with a roller matching the slope of the wedge-shaped block, and the roller is located between the wedge-shaped block and the between the supports.

Further, the pressing rod further includes a head integrally provided with the force applying end of the rod part.

Further, a compression spring is provided between the head of the pressing rod and the support.

Further, the rod part of the pressure rod includes two vertical plates arranged in parallel, the arc-shaped long holes and the horizontal long holes are all set on the vertical plates, and the wedge-shaped block and the roller , the supports are located between the two vertical plates.

Further, a support boss is provided on the base plate, and the support boss is located under the push block.

Further, the power device includes telescopic cylinders, oil cylinders or electric cylinders.

Further, there are one set, two sets, or more than two sets of the side pushing and pressing mechanism.

Further, the base plate is provided with a workpiece pick-and-place slot, and the side pushing and pressing mechanism is located outside the workpiece pick-and-place slot.

Further, a positioning mechanism is provided on the base plate, the positioning mechanism is located outside the workpiece pick-and-place slot, and the positioning mechanism includes a positioning pin or a positioning block.

After adopting above-mentioned technical scheme, beneficial effect of the present invention is as follows:

Because the side pushing and pressing tool of the present invention includes a base plate and a side pushing and pressing mechanism arranged on the base plate, the side pushing and pressing mechanism includes a power unit, a push block, a pressing rod, and a support; Under the action, it moves horizontally forward, and the push block drives the pressure rod to move along the horizontal long hole of the pressure rod, and moves from one limit position of the horizontal long hole to another limit position, that is, the pressure rod reaches the space above the workpiece, and the push block is in the When the power device continues to move forward, based on the principle of leverage and the constraint relationship between the arc-shaped long hole of the pressure rod and the push block shaft pin, the pressure rod is forced to rotate with the pressure rod shaft pin as the fulcrum, and the stressed end of the pressure rod is upward. Rotate, the force-applying end of the pressure rod rotates downward, thereby compressing the workpiece, and the workpiece can be processed. After the workpiece is processed, the power device drives the push block to move backward, the push block drives the pressure rod to rotate in reverse, the force end of the pressure rod moves up, releases the compression on the workpiece, and gradually returns to the horizontal state, the push block is under the action of the power device When continuing to move backward, the push block and the pressure rod move along the horizontal long hole, and return to the original limit position from another limit position of the horizontal long hole, that is, the pressure rod withdraws from the upper space where the workpiece is located, which is convenient for the workpiece to move in space. Pick and place vertically.

Description of drawings

Fig. 1 is a perspective view of the side pushing and pressing tooling of the present invention;

Fig. 2 is the top view of Fig. 1;

Fig. 3 is a sectional view along A-A in Fig. 2;

Fig. 4 is a schematic structural view of the side push pressing mechanism in Fig. 1;

Fig. 5 is the B-B direction sectional view among Fig. 4;

In the figure, 1-base plate, 11-support boss, 12-workpiece pick-and-place slot, 2-workpiece, 3-side pushing and pressing mechanism, 31-pressure rod, 311-rod, 3111-arc slot, 3112 -horizontal long hole, 312-head, 32-roller, 33-support, 34-compression spring, 35-wedge block, 36-cylinder, 37-wedge block shaft pin, 38-roller shaft pin, 39-pressure rod Axle pin, 4-E type buckle, 5-locating pin, 6-base, 7-support column.

Detailed ways

The present invention will be described in further detail without limitation in conjunction with the accompanying drawings and examples below.

As shown in Fig. 1 to Fig. 3 together, the side pushing and pressing tool of the present invention includes a flat base plate 1, and a side pushing and pressing mechanism 3 is arranged on the base plate 1. A support boss 11 is provided on the base plate 1 , and the support boss 11 is located below the below-mentioned wedge block 35 of the side pushing and pressing mechanism 3 . Based on the specific shape of the workpiece to be processed, etc., one set, two sets, or more than two sets of side pushing and pressing mechanisms 3 can be provided. In order to facilitate the pick-and-place of the workpiece 2 , a workpiece pick-and-place slot 12 is provided on the base plate 1 , and the side pushing and pressing mechanism 3 is located outside the workpiece pick-and-place slot 12 . A positioning mechanism is also provided on the base plate 1, and the positioning mechanism is also located outside the workpiece pick-and-place groove 12. The positioning mechanism is preferably a positioning pin 5 or a positioning block. The side pushing and pressing tool also includes a base 6 arranged horizontally, and a vertical support column 7 is fixed on the upper surface of the base 6 , and the base plate 1 is supported and fixed on the upper end of the support column 7 . Of course, the base plate 1 and the support column 7 can also be processed into an integral structure.

As shown in Fig. 1 to Fig. 5 together, the side push pressing mechanism 3 includes a power device, a push block, a pressing rod 31, a roller 32, and a support 33.

Wherein, the power device is preferably a telescopic cylinder 36, and an oil cylinder or an electric cylinder can also be used. When power unit selects cylinder 36 for use, the piston rod of cylinder 36 is connected with push block, and push block is positioned at the top of support boss 11, and the piston rod of cylinder 36 is fixedly connected with push block by screw, certainly, push block and the piston of cylinder 36 The rods can also be connected together by other conventional connection methods, and the push block can move horizontally back and forth under the action of the cylinder 36 .

Wherein, the push block is preferably in the form of a wedge block 35 , the front end of the wedge block 35 has an inclined surface, and a wedge block shaft pin 37 is fixed on the wedge block 35 . The end of the wedge block 35 away from the cylinder 36 is the front end. By adjusting the angle of the inclined plane of the wedge block 35, the pressure of the workpiece pressed by the decompression rod can be multiplied or multiplied.

Wherein, the pressure rod 31 is a lever in essence, and the pressure rod 31 comprises a rod portion 311, and the end of the rod portion 311 of the pressure rod 31 subjected to the force of the wedge block 35 is the stressed end of the pressure rod 31, and applies force to the workpiece 2. One end is the force end. The force-bearing end of the rod 311 is vertically provided with an arc-shaped long hole 3111, the wedge-shaped block shaft pin 37 is constrained in the arc-shaped long hole 3111, and the force-applying end of the rod 31 is provided with a horizontal long hole 3112 extending along its length direction; further Ground, the rod portion 311 of the pressure rod 31 includes two vertical plates arranged in parallel, the arc-shaped long hole 3111 and the horizontal long hole 3112 are all arranged on the vertical plate, and the wedge-shaped block 35, the roller 32 and the bearing 33 are all located on the two vertical plates. between the boards. In order to facilitate the pressure rod 31 to press the workpiece 2, a head 312 is also provided at the force end of the rod portion 311 of the pressure rod 31. When the pressure rod 31 presses the workpiece 2, the head 312 of the pressure rod 31 contacts the workpiece 2. The head 312 of the pressing rod 31 is preferably set downwards. The rod portion 311 and the head portion 312 of the pressing rod 31 are preferably provided as an integral structure.

Wherein, the support 33 is fixedly connected to the base plate 1, and the support 33 can be fixedly connected to the base plate 1 through screws, and of course, can also be fixedly connected through other conventional connection methods. A pressing rod pivot pin 39 is fixed on the support 33 , and the pressing rod pivot pin 39 is constrained in the horizontal long hole 3112 of the pressing rod 31 .

Wherein, the roller 32 is rotatably mounted on the pressure rod 31 through the roller pivot pin 38 , and is used to cooperate with the inclined surface of the wedge block 35 , and the roller 32 is located between the wedge block 35 and the support 33 .

Wherein, a compression spring 34 is provided between the head 312 of the compression rod 31 and the support 33 . One end of the compression spring 34 is connected to the support 33 , and the other end of the compression spring 34 is connected to the head 312 of the compression rod 31 .

Wherein, the wedge-shaped block shaft pin 37, the roller shaft pin 38, and the pressing rod shaft pin 39 are all provided with E-shaped buckles 4, which can effectively prevent the axial movement of the shaft pins.

The initial state of the side pushing and pressing mechanism 3: taking the side pushing and pressing mechanism 3 on the left side as shown in FIG. 39, the depression bar 31 is located at the left extreme position.

Side pushing stage 1 of the side pushing and pressing mechanism 3: the cylinder 36 pushes the wedge block 35 to push the entire pressure rod 31 and the roller 32 forward through the wedge block shaft pin 37, and the elastic force of the compression spring 34 pushes the head 312 of the pressure rod 31 forward Move, when in place, that is, the left end of the horizontal long hole 3112 on the rod portion 311 of the depression rod 31 abuts against the depression rod pivot pin 39, and the depression rod 31 is positioned at the right extreme position. The compression spring 34 can prevent the head 312 of the pressure rod 31 from falling when the pressure rod 31 moves forward, so as to ensure that the pressure rod 31 can keep moving in a horizontal state at this stage.

The second stage of side pushing of the side pushing and pressing mechanism 3: the cylinder 36 pushes the wedge block 35 to continue to move forward, the pressure rod 31 rotates with the pressure rod shaft pin 39 as the fulcrum, and the stressed end of the pressure rod 31 goes upward along the arc-shaped long hole 3111 Rotate, the roller 32 rolls upwards along the slope of the wedge block 35, the force application end of the compression rod 31 rotates downwards, and the head 312 of the compression rod 31 presses the workpiece 2.

The process of using the side push compression tooling of the present invention to carry out compression processing on the workpiece 2 is as follows:

The workpiece 2 is positioned at the position of the workpiece placement groove 12 on the substrate 1 through the positioning pin 5, the cylinder 36 is activated, the piston rod of the cylinder 36 stretches out, and the wedge block 35 is pushed through the wedge block shaft pin 37 to push the entire pressing rod 31 and the roller 32 Move forward, the elastic force of the compression spring 34 pushes the head 312 of the pressure rod 31 to move forward. Located at the right limit position, that is, the head 312 of the pressure rod 31 reaches the upper space where the workpiece 2 is located. At this time, the wedge block 35 continues to move forward under the action of the cylinder 36, and the pressure rod 31 rotates with the pressure rod pivot pin 39 as the fulcrum. The force end of the pressure rod 31 rotates upwards along the arc-shaped long hole 3111, the roller 32 rolls upwards along the slope of the wedge block 35, the force end of the pressure rod 31 rotates downwards, and the head 312 of the pressure rod 31 presses the workpiece 2, After the workpiece 2 is pressed, it can be processed. After the workpiece 2 is processed, the cylinder 36 drives the wedge block 35 to move backward, and the wedge block 35 drives the pressure rod 31 to rotate in the opposite direction. After the rod portion 311 of the pressure rod 31 is in a horizontal state, the wedge block 35 continues to move backward under the action of the cylinder 36. During the continuous backward movement, the compression spring 34 is further compressed to store energy in order to provide elastic force for the next working cycle, and the wedge block When 35 continues to move backward under the action of the cylinder 36, the wedge block 35 and the rod portion 311 of the pressure rod 31 move along the horizontal long hole 3112, and return to the original left limit position from the right limit position of the horizontal long hole 3112, that is, The head 312 of the pressing rod 31 withdraws from the upper space where the workpiece 2 is located, which facilitates the vertical pick-and-place of the workpiece 2 in space, thereby avoiding the operation inconvenience caused by picking and placing the workpiece 2 from the side, and also avoids picking and placing the workpiece from the side. Problems such as scratches, bruises, and crushed workpieces caused during 2 ensure the quality of the workpiece 2 and improve work efficiency.

Claims (8)

1. side pushes away compression tooling, including substrate, which is characterized in that be provided with side on the substrate and push away hold-down mechanism, the side pushes away Hold-down mechanism includes:

Power device；

Pushing block, the pushing block are connect with the power device, can horizontal shifting, be fixed with pushing block pivot pin on the pushing block；

Compression bar, the compression bar include bar portion, and the force side of the bar portion is vertically provided with long arc-shaped holes, the pushing block pivot pin constraint In in the long arc-shaped holes, the force side of the bar portion is provided with the horixmtal long hole extended along its length；

Support, the support are fixed on the substrate, and compression bar pivot pin is fixed on the support, and the compression bar pivot pin is constrained in In the horixmtal long hole；

The compression bar further includes the head being wholely set with the force side of the bar portion, the head of the compression bar and the branch Compressed spring is provided between seat.

2. side as described in claim 1 pushes away compression tooling, which is characterized in that the pushing block is wedge block, the wedge block Front end has inclined-plane；The idler wheel with the cooperation of the inclined-plane of the wedge block is rotatably equipped on the compression bar, the idler wheel is located at institute It states between wedge block and the support.

3. side as claimed in claim 2 pushes away compression tooling, which is characterized in that the bar portion of the compression bar includes being arranged in parallel Two vertical plates, the long arc-shaped holes, the horixmtal long hole be all set on the vertical plate, the wedge block, the idler wheel, institute Support is stated all to be located between two vertical plates.

4. side as described in claim 1 pushes away compression tooling, which is characterized in that support rim is provided on the substrate, it is described Support rim is located at below the pushing block.

5. side as described in claim 1 pushes away compression tooling, which is characterized in that the power device include cylinder, oil cylinder or Electric cylinders.

6. side as described in claim 1 pushes away compression tooling, which is characterized in that the side push away hold-down mechanism be provided with it is a set of, two Set or two sets or more.

7. side as described in claim 1 pushes away compression tooling, which is characterized in that be provided with workpiece on the substrate and pick and place slot, institute State side push away hold-down mechanism be located at the workpiece pick and place slot on the outside of.

8. side as claimed in claim 7 pushes away compression tooling, which is characterized in that positioning mechanism is provided on the substrate, it is described Positioning mechanism is located at the workpiece and picks and places on the outside of slot, and the positioning mechanism includes positioning pin or locating piece.