CN209305217U - An automatic coding device with a character switching mechanism - Google Patents

Abstract

The utility model discloses an automatic coding device with a character switching mechanism, which includes an automatic coding mold, and the automatic coding mold includes a bracket, a character switching mechanism, a mandrel, a character disk and an indexing locking mechanism; the indexing locking The mechanism includes springs and steel balls; a circumferential groove is provided at the part where the mandrel is fitted with each character plate, and several circular pits are evenly distributed along the circumferential direction in each circumferential groove; the inner part of each character plate The annular surface is radially arranged with strip grooves equal to the number of the round pits, and each strip groove is equipped with a spring and a steel ball. The spring is in a compressed state and can press and fit the steel balls with the round pits. Several protruding characters are arranged on the outer periphery of each character plate along the circumferential direction; each character plate can be rotated under the action of the character switching mechanism. The utility model can realize full-automatic code arrangement without manual participation, has high efficiency, and can realize embossing of multiple characters in one stamping.

Description

An automatic coding device with a character switching mechanism

technical field

The utility model relates to a coding device, in particular to an automatic coding device with a character switching mechanism.

Background technique

At present, the marking methods of metal workpieces mainly include several coding methods such as laser marking, sliding engraving, and indentation. However, these coding methods all have the following defects, which need to be improved.

1. The two methods of laser marking and sliding engraving have a high degree of automation and are often used in automated production lines. However, because the traces left on the metal surface are very shallow, they are not beautiful enough on the one hand. In the process, the laser marking or sliding marking is often covered, which brings difficulties to the actual production.

2. The indentation coding method is formed by stamping with a coding punch, so it is beautiful and deep indentation. However, at present, it is necessary to manually arrange and combine characters. Although the indentation effect of coding can meet the requirements, the degree of automation is low, and manual coding often causes misoperations, causing coding errors.

Utility model content

The technical problem to be solved by the utility model is to provide an automatic coding device with a character switching mechanism for the above-mentioned deficiencies in the prior art. The automatic coding device with a character switching mechanism can realize automatic coding without manual labor. Participation, high efficiency, one stamping can realize the embossing of multiple characters.

In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:

An automatic coding device with a character switching mechanism, including a frame, a striking head, an automatic coding mold, a gripper and a two-dimensional moving mechanism;

The top of the striking head is connected to the frame, the height of the striking head can be raised and lowered, and an automatic coding mold is fixed at the bottom of the striking head.

The top of the gripper is provided with jaws for clamping the metal workpiece, and the gripper can move back and forth or left and right under the action of the two-dimensional moving mechanism, so that the part to be coded on the top of the metal workpiece is directly below the automatic coding mold.

The automatic coding mold includes a bracket, a character switching mechanism, a mandrel and a character plate.

The two ends of the mandrel are fixedly connected with the bracket, and the character discs are arranged side by side on the outer periphery of the mandrel along the axial direction. Several raised characters are arranged on the outer periphery of each character disc along the circumferential direction; Rotate under action.

The automatic coding mold also includes an indexing locking mechanism, which includes springs and steel balls.

There is a circumferential groove at the part where the mandrel and each character plate are fitted, and several circular pits are evenly distributed along the circumference in each circumferential groove; the inner ring surface of each character plate is arranged radially. There are strip-shaped grooves equal in number to the round pit, and a spring and a steel ball are arranged in each strip-shaped groove. The spring is in a compressed state, and can press the steel ball and the round pit tightly.

Several axial grooves are evenly distributed on the mandrel, and each axial groove is parallel to the axis of the mandrel.

Several gear teeth are evenly distributed on the outer ring surface of each character disk, and the characters are arranged on the tooth top surface of the gear teeth.

At least one gear tooth in each character plate is provided with empty characters.

The character switching mechanism includes a transmission rod, a rotary drive device, a linear drive device and a toggle device; the transmission rod is located outside the character plate and parallel to the mandrel; the two ends of the transmission rod pass through the corresponding bracket plate respectively, one of which The penetrating end on one side is connected to the rotary drive device, and the penetrating end on the other side is connected to the linear drive device; the rotary drive device is used to drive the transmission rod to rotate, and the linear drive device is used to drive the transmission rod to move linearly; the toggle device One side is fixedly connected with the transmission rod, and the other side can toggle the corresponding character disc to rotate.

The toggle device is a shift fork or a ratchet.

The two-dimensional moving mechanism includes a beam and a base, the base is connected to the frame, the beam is parallel to the mandrel, the beam is slidingly connected to the top surface of the base, and the beam can slide in a direction perpendicular to the mandrel; connected, the gripper can slide in a direction parallel to the mandrel.

There are two grippers, and the base is also provided with a pad iron between the two grippers.

The utility model has the following beneficial effects: in the utility model, the gripper grasps the movement of the metal workpiece to complete the operation of coding at different positions, and cooperates with the multiple stamping actions of the striking head to realize the coding operation of multi-digit characters. The above-mentioned indexing locking mechanism can realize the locking of the mandrel and the character disk, and the above-mentioned character switching mechanism can unlock the mandrel and the character disk, and realize the automatic switching of the required characters in each character disk.

Description of drawings

Fig. 1 is a three-dimensional structural schematic diagram of an automatic coding device with a character switching mechanism of the present invention.

Fig. 2 is a schematic diagram of movable connection points on an automatic coding device with a character switching mechanism of the present invention.

Figure 3 shows a schematic diagram of the three-dimensional structure of the automatic marking mold.

Figure 4 shows a cross-sectional view of the automatic coding mold.

Figure 5 shows a schematic structural view of the indexing locking mechanism.

Figure 6 shows a half-sectional view of the connection between the character plate and the mandrel.

Fig. 7 shows a schematic diagram of the structure when the indexing locking mechanism locks the character disk.

Fig. 8 shows a schematic diagram of the structure of the character disk.

Figure 9 shows a cross-sectional view of the character plate.

Figure 10 shows a perspective view of the mandrel.

Figure 11 shows a cross-sectional view of the mandrel.

Figure 12 shows a schematic structural view of the transmission rod and shift fork.

Including:

10. Rack; 20. Hitting head;

30. Automatic coding mold;

31. Character switching mechanism; 311. Transmission rod; 312. Rotary drive device; 313. Linear drive device; 314. Shift fork;

32. Mandrel; 321. Axial groove; 322. Circumferential groove; 323. Round pit;

33. Character plate; 331. Round hole; 332. Gear teeth; 333. Characters;

34. Indexing locking mechanism; 341. Strip groove; 342. Spring; 343. Steel ball;

35. Brackets;

40. Metal workpieces;

50. Gripper; 51. Claw;

60. Beam; 70. Base; 71. Horn.

Detailed ways

The utility model will be described in further detail below in conjunction with the accompanying drawings and specific preferred embodiments.

As shown in Figures 1 and 2, an automatic coding device with a character switching mechanism includes a frame 10, a striking head 20, an automatic coding mold 30, a gripper 50 and a two-dimensional moving mechanism.

The top of the striking head is connected to the frame, preferably at A as shown in Figure 2; the height of the striking head can be raised and lowered, that is, it can move in a straight line in the Z direction under the action of the driving device; the bottom of the striking head is fixed with automatic coding mold.

The two-dimensional moving mechanism preferably includes a beam 60 and a base 70 .

The base is preferably U-shaped, and is preferably fixedly connected to the bottom of the frame at B in FIG. 2 .

The crossbeam is parallel to the mandrel or the metal workpiece 40 to be grasped, the direction of the crossbeam is set as the Y direction, and the direction perpendicular to the crossbeam is the X direction. The beam and the top of the base are preferably slidably connected at point C shown in FIG. 2 , and can move linearly along the X direction, that is, can slide along a direction perpendicular to the following mandrel.

The number of grippers is preferably two, and the bottom of each gripper is slidably connected with the top of the crossbeam preferably at D in FIG.

The gripper grasps the movement of the metal workpiece to complete the operation of coding at different positions, and cooperates with the multiple stamping actions of the striking head to realize the coding operation of multi-digit characters.

The metal workpiece is sent between the automatic coding molds, and the striking head moves to complete the coding.

The above-mentioned two-dimensional moving mechanism may also be other structural forms in the prior art, all of which are within the protection scope of the present application.

The top of the gripper is provided with claws 51 for clamping the metal workpiece. The gripper can move back and forth or left and right under the action of the two-dimensional moving mechanism, so that the part to be coded on the top of the metal workpiece is directly below the automatic coding mold .

The base is also preferably provided with a pad iron 71 between the two grippers for supporting the middle of the metal workpiece.

As shown in FIG. 3 and FIG. 4 , the automatic coding mold includes a bracket 35 , a character switching mechanism 31 , a mandrel 32 , a character disk 33 and an indexing locking mechanism 34 .

The support preferably includes a top plate and support plates fixed on both sides of the top plate, and the top of the top plate is fixedly connected to the bottom of the impact head.

Both ends of the mandrel are fixedly connected with two support plates, as shown in Figures 10 and 11, there are several axial grooves 321 evenly distributed on the mandrel, and each axial groove is parallel to the axis of the mandrel. The setting of the axial groove will facilitate the installation of the character disk.

A plurality of circumferential grooves 322 are evenly distributed along the axial direction of the mandrel, and each circumferential groove is perpendicular to the axis of the mandrel. Several circular pits 323 are evenly distributed along the circumference of each circumferential groove.

The character disks are set side by side on the outer periphery of the mandrel along the axial direction, the number of character disks is equal to the number of circumferential grooves, and the center of each character disk is provided with a central axis hole 331, and the inner diameter of the central axis hole is larger than that of the circumferential groove. The outer diameter, the position of the character plate corresponds to the position of the circumferential groove.

The character plate is locked and limited by the index locking mechanism and the circumferential groove on the mandrel as shown in Fig. 5 and Fig. 6 .

As shown in FIG. 7 , the indexing locking mechanism includes a spring 342 and a steel ball 343 .

The inner ring surface of each character plate is radially provided with strip grooves 341 equal in number to the round pits. The strip grooves are preferably cylindrical, and the axis of each cylinder points to the center of the corresponding circumferential groove.

A spring and a steel ball are arranged in each strip groove, and the spring is in a compressed state, and can press and fit the steel ball with the round pit.

Several raised characters 333 are arranged on the outer periphery of each character plate along the circumferential direction. Preferably, as shown in FIG. 8 and FIG. 9 , each character plate is tooth-shaped, that is, several gear teeth 332 are evenly distributed on the outer ring surface of each character plate, and the characters are arranged on the top surfaces of the teeth.

Further, at least one gear tooth in each character plate is provided with empty characters, so as to realize stamping of different "bit" characters.

Each character disk can be rotated under the action of the character switching mechanism.

The character switching mechanism includes a transmission rod 311, a rotary drive device 312, a linear drive device 313 and a toggle device.

The transmission rod is located on the outside of the character plate and is parallel to the mandrel; the two ends of the transmission rod pass through the corresponding support plate respectively, one side of which passes through the end is connected with the rotary drive device, and the other side passes through the end Connected to linear drives.

The rotary drive device is used to drive the transmission rod to rotate, the linear drive device is used to drive the transmission rod to move linearly, and the toggle device along the axial direction is engaged with different character disks to realize switching of different positions.

One side of the toggle device is fixedly connected with the transmission rod, and the other side can toggle the corresponding character disc to rotate.

The above-mentioned toggle device is preferably a shift fork 314 or a ratchet as shown in FIG. 12 . The index locking device is used to fix the position of the character plate, and at the same time, it can be unlocked when the shift fork is driven, and the index plate rotates to switch characters.

The preferred embodiment of the utility model has been described in detail above, but the utility model is not limited to the specific details in the above-mentioned embodiment, and within the scope of the technical concept of the utility model, various equivalent transformations can be carried out to the technical solution of the utility model , these equivalent transformations all belong to the protection scope of the present utility model.

Claims (9)

1. a kind of automatic code marking device with character switching mechanism, it is characterised in that: including rack, attacking head, automatic code-printing Mold, handgrip and two-dimensional movement mechanism；

It is connected at the top of attacking head with rack, strike grease head highness can be gone up and down, the fixed automatic code-printing mold in attacking head bottom；

Be provided with the claw for clamping metal works at the top of handgrip, handgrip can under the action of two-dimensional movement mechanism, front and back or It moves left and right, to make the underface for being in automatic code-printing mold to stamp position at the top of metal works；

Automatic code-printing mold includes bracket, character switching mechanism, mandrel and character disc；

Mandrel both ends are fixedly connected with bracket, and character disc is sleeved on mandrel periphery, the outer periphery of each character disc along axial direction side by side Circumferentially it is laid with the character of several protrusions；Each character disc can be rotated under the action of character switching mechanism.

2. the automatic code marking device according to claim 1 with character switching mechanism, it is characterised in that: automatic code-printing mould Tool further includes indexing retaining mechanism, and indexing retaining mechanism includes spring and steel ball；

The position that mandrel is mutually set with each character disc is provided with a round circumferential recess, in each round circumferential recess circumferentially It is uniformly distributed to have several round pools；The inner ring surface of each character disc is radially laid with the strip slot equal with round pool quantity, A spring and a steel ball are laid in each strip slot, spring is in compressive state, and can match steel ball and round pool compression It closes.

3. the automatic code marking device according to claim 1 with character switching mechanism, it is characterised in that: uniformly distributed on mandrel There are several axial notches, every axial notch is parallel with the axis of mandrel.

4. the automatic code marking device according to claim 1 with character switching mechanism, it is characterised in that: each character disc Outer ring surface be evenly distributed with several gear teeth, character is laid on the crest top land of the gear teeth.

5. the automatic code marking device according to claim 4 with character switching mechanism, it is characterised in that: each character disc In be provided with null character at least one gear teeth.

6. the automatic code marking device according to claim 1 with character switching mechanism, it is characterised in that: character switching machine Structure includes drive rod, rotation drive device, linear drive apparatus and striking gear；Drive rod is located on the outside of character disc, and and core Axis is parallel；Drive rod both ends are pierced by from corresponding bracket plate face respectively, wherein the traversing through end and rotation drive device of side It is connected, the traversing through end of the other side is connected with linear drive apparatus；Rotation drive device is for driving drive rod rotation, straight line Driving device is for driving drive rod to move along a straight line；The side of striking gear is fixedly connected with drive rod, and the other side can stir pair The character disc rotation answered.

7. the automatic code marking device according to claim 6 with character switching mechanism, it is characterised in that: striking gear is Shift fork or ratchet.

8. the automatic code marking device according to claim 1 with character switching mechanism, it is characterised in that: two-dimensional movement machine Structure includes crossbeam and pedestal, and pedestal is connected with rack, and crossbeam is parallel with mandrel, and crossbeam is slidably connected with base top surface, horizontal Beam can slide along the direction perpendicular to mandrel；Handgrip bottom is slidably connected with cross rail top, and handgrip can be along the side for being parallel to mandrel To sliding.

9. the automatic code marking device according to claim 8 with character switching mechanism, it is characterised in that: the quantity of handgrip It is two, the parallels being additionally provided on pedestal between two handgrips.