CN210146848U - Heating element pin linkage bending forming device - Google Patents

Abstract

The utility model relates to a forming device is buckled in linkage of heating son pin fixes the heating son through fixture, guarantees the stability of the heating son in the operation process of buckling, not only releases both hands, convenient operation, and stability is strong moreover, guarantees good processing quality. The utility model discloses a linkage bending mechanism realizes the linkage of two oppression pieces through the linkage subassembly, realizes the shaping of buckling that once operation can realize two pins, and production efficiency promotes doubly. When the linkage bending mechanism is implemented in bilateral symmetry, the bending angles of the two pressing pieces to the two pins are equal, so that the bending angles of the two pins are equal, and the consistency of products is ensured. The utility model discloses can also compare in the prior art who buckles the operation with the mode of range estimation and experience through the angle of buckling of limit structure automatic limit pin, production efficiency further promotes, and the degree of accuracy is higher moreover, avoids buckling excessively or buckle the condition not in place.

Description

Heating element pin linkage bending forming device

Technical Field

The utility model relates to a machining equipment, more specifically say, relate to a forming device is buckled in linkage of heating son pin.

Background

When the bending device in the prior art is used for bending the pins of the tungsten filament heater, the bending operation needs to be performed on the pins of the heater one by one twice because only one bending station is provided. Moreover, a mechanism for fixing the heater is lacked, so that the heater is held by hands in the bending process and is kept still, the operation is very difficult, and the precision cannot be ensured at all. Particularly, in the operation of bending the pins to be perpendicular to the plane where the peak of the heater is located, it is more difficult to ensure the stability of the heater by holding the pins with bare hands. Even if the heater can be held by bare hands to be stable, the control of the bending angle of the leads requires complete visual inspection and experience. However, the angle control by visual observation usually takes a longer time.

Because the two pins are respectively bent, it is inevitably difficult to ensure that the bending angles of the pins at the two ends are the same, and the consistency of the product is further influenced.

In conclusion, the bending device in the prior art has the defects of difficult operation, low production efficiency, poor product stability and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's is not enough, provide a simple easy-to-use, high forming device is buckled in the linkage of heating son pin of product stability.

The technical scheme of the utility model as follows:

a linkage bending forming device for heater pins comprises a clamping mechanism and a linkage bending mechanism, wherein the linkage bending mechanism comprises a linkage assembly and two pressing pieces, and the two pressing pieces realize linkage motion through the linkage assembly; the heater is clamped through the clamping mechanism, pins at two ends of the heater are opposite to the two pressing pieces respectively, the two pressing pieces move in a linkage mode, and in the process of one-time bending operation, bending forming of the pins at the two ends is completed.

Preferably, the clamping mechanism comprises a positioning block and a pressing block, the positioning block and the pressing block are arranged in opposite directions, and the heating element is clamped between the positioning block and the pressing block.

Preferably, the clamping mechanism further comprises a driving assembly, and the pressing block is close to or far from the positioning block through the driving assembly and used for clamping or releasing the heater.

Preferably, the driving assembly comprises a supporting body, a pushing rod, a rotating connecting rod and an operating rod, the supporting body is fixed, two ends of the rotating connecting rod are respectively connected with the pushing rod and the end part of the operating rod in a rotating mode, and the other end of the pushing rod is connected with the pressing block; the rod body and the supporting body of the operating rod are provided with a rotating fulcrum, and the operating rod rotates around the rotating fulcrum.

Preferably, a positioning die is arranged on the side wall, opposite to the pressing block, of the positioning block, the positioning die is matched with the shape of the heater, and the heater is embedded in the positioning block through the positioning die and clamped through the pressing block.

Preferably, the positioning die is a step or a groove matching the shape of the heater.

Preferably, the linkage assembly comprises at least two linked gears, and the pressing pieces are respectively arranged at the eccentric positions of the gears.

Preferably, the positioning columns are arranged in the bending direction of the pins of the heater, and are located at the bending positions of the pins of the heater.

Preferably, the linkage bending mechanism is arranged on the base, the positioning block is arranged on the bottom plate, the bottom plate is arranged above the base, the bottom plate is provided with a yielding groove corresponding to the pressing piece and the motion track of the pressing piece, and the pressing piece penetrates through the yielding groove and extends to the position above the bottom plate.

Preferably, the positioning column is arranged on the base, the bottom plate is provided with a yielding groove corresponding to the positioning column, and the positioning column penetrates through the yielding hole and extends to the upper portion of the bottom plate.

Preferably, the gear sleeve is arranged on the positioning column, and the positioning column is located at the axis of the gear.

Preferably, one of the gears is connected with a rotating handle, the gear is driven to rotate through the rotating handle, and the other gear is linked.

Preferably, the bending angle of the pin is defined by one or more of the following structures:

the side surface of the gear comprises a tooth surface section and a smooth surface section, and when the gear rotates to the smooth surface section, the bending angle of the pin is limited;

or when the pressing piece moves to abut against the end part of the abdicating groove, the bending angle of the pin is limited;

or, set up the stopper in the direction of advance of twist grip, when stopper and twist grip top were supported, the angle of buckling of injecing the pin.

The utility model has the advantages as follows:

heating son pin linkage forming device of buckling, fix heating son through fixture, guarantee to buckle the stability of heating son in the operation process, not only release both hands, convenient operation, stability is strong moreover, guarantees good processing quality. The utility model discloses a linkage bending mechanism realizes the linkage of two oppression pieces through the linkage subassembly, realizes the shaping of buckling that once operation can realize two pins, and production efficiency promotes doubly. When the linkage bending mechanism is implemented in bilateral symmetry, the bending angles of the two pressing pieces to the two pins are equal, so that the bending angles of the two pins are equal, and the consistency of products is ensured.

The utility model discloses can also compare in the prior art who buckles the operation with the mode of range estimation and experience through the angle of buckling of limit structure automatic limit pin, production efficiency further promotes, and the degree of accuracy is higher moreover, avoids buckling excessively or buckle the condition not in place.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view showing a state where a heater is placed in a positioning mold;

FIG. 3 is a schematic view showing a state in which the heater is held between the pressing block and the positioning block;

FIG. 4 is a schematic view showing a state of bending;

FIG. 5 is a schematic view of the clamp block in close proximity to the locating block (only the clamp block and drive assembly are shown);

FIG. 6 is a schematic view of the internal structure of the compact block in a state close to the positioning block (the support body of FIG. 5 is hidden);

FIG. 7 is a schematic view of the hold down block away from the locating block (only the hold down block and drive assembly are shown);

FIG. 8 is a schematic view of the internal structure of the pressing block in a state away from the positioning block (the supporting body of FIG. 7 is hidden);

FIG. 9 is a schematic structural view of the linkage assembly;

in the figure: the positioning device comprises a positioning block 10, a positioning die 101, a pressing block 11, a support 12, a top notch 121, a guide pipeline 122, a push rod 13, a rotating connecting rod 14, an operating rod 15, a rotating fulcrum 16, a pressing piece 20, a roller 201, a gear 21, a positioning column 22, a rotating handle 23, a base 30, an extending plate 31, a limiting block 32, a bottom plate 40, an abdicating groove 41, a heater 50 and a pin 51.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

The utility model discloses a solve that production efficiency that prior art exists is low, product quality is poor not enough etc, provide a forming device is buckled in the linkage of heating son pin, the accessible once buckles the shaping of buckling of operation realization two pins, moreover through mechanical centre gripping, release both hands, the operation is light, and the product uniformity is high moreover.

Molding device is buckled in linkage of heating son pin, as shown in fig. 1, fig. 2, fig. 3, fig. 4, including fixture, linkage bending mechanism, the linkage bending mechanism includes linkage subassembly, two oppression pieces 20, and linkage motion is realized through the linkage subassembly to two oppression pieces 20, can oppress two pins 51 of heating son 50 simultaneously through the oppression piece 20 of two linkages and warp. When the bending operation is performed, the heater 50 is clamped by the clamping mechanism to form a stable fixed position and angle, so that the heater 50 is prevented from being stressed and deviated in the bending forming process, and the stable quality of the product can be maintained in the bending forming process. The both ends pin 51 of heater 50 is relative with two oppression pieces 20 respectively, and two oppression pieces 20 coordinated motion are once buckling the operation in-process, accomplish the shaping of buckling of both ends pin 51, compare with prior art, the utility model discloses can promote production efficiency manyfold.

The clamping mechanism comprises a positioning block 10 and a pressing block 11, the positioning block 10 and the pressing block 11 are arranged oppositely, and the heater 50 is clamped between the positioning block 10 and the pressing block 11. Wherein, the pressing member is provided as a movable mechanism that can be close to or away from the positioning block 10 for clamping or releasing the heater 50. Since the heater 50 is typically provided with several peaks, all peaks are substantially in the same plane. In order to ensure that the peak of the heater 50 is not distorted or deformed due to the force applied by the pressing element 20 during the bending process when the heater 50 is clamped, further, the positioning block 10 and the pressing block 11 of the present embodiment clamp the heater 50 in a surface-to-surface manner, and the surfaces of the positioning block 10 and the pressing block 11 can completely or almost completely (for example, the top of the peak is allowed to be exposed, especially the highest peak) cover the main body of the heater 50, that is, only the pins 51 extend from the positioning block 10 and the pressing block 11 at the positions of several peaks, so as to facilitate bending, and simultaneously ensure that the heater 50 is not distorted or deformed during the whole bending process.

Because when carrying out the shaping of buckling, be fixed in vertical state with heater 50 usually, in order to realize being close to or keeping away from the in-process of locating piece 10 at compact heap 11, do not need the staff to hold heater 50 to prevent heater 50 and fall down, the utility model provides a heater 50's retention function. Simultaneously, when avoiding compact heap 11 and locating piece 10 to press from both sides tightly, form too big clamping-force to heater 50, cause heater 50 to flatten and warp, the utility model discloses still provide heater 50 step down the structure. That is, a positioning die 101 is provided on a side wall of the positioning block 10 facing the pressing block 11, the positioning die 101 matches the shape of the heater 50, and the heater 50 is fitted to the positioning block 10 by the positioning die 101 and clamped by the pressing block 11. The positioning die 101 provides the functions of position keeping and abdicating at the same time, and the heater 50 does not need to be hung and held by hands in the operation process, so that the production safety and the product safety are ensured.

In this embodiment, the positioning mold 101 is a step or a groove matching the shape of the heater 50. Step or recess all can be in the height, provide supporting role in heater 50's below to provide the space of stepping down simultaneously, heater 50 accessible space of stepping down imbeds certain degree of depth of locating piece 10, when compact heap 11 presss from both sides tightly with locating piece 10, avoids exerting too big clamping-force to heater 50.

In order to realize the movable arrangement of the pressing block 11, the clamping mechanism further comprises a driving assembly, and the pressing block 11 is close to or far from the positioning block 10 through the driving assembly and is used for clamping or releasing the heater 50. As shown in fig. 5, 6, 7 and 8, the driving assembly includes a supporting body 12, a pushing rod 13, a rotating connecting rod 14 and an operating rod 15, the supporting body 12 is fixed, two ends of the rotating connecting rod 14 are respectively connected with the pushing rod 13 and the end of the operating rod 15 in a rotating manner, and the other end of the pushing rod 13 is connected with the pressing block 11; the shaft of the operating lever 15 and the support body 12 are provided with a pivot 16, and the operating lever 15 pivots about the pivot 16. In this embodiment, the support body 12 is a cover body provided with a long passage, the outward end of the cover body is provided with a top notch 121, that is, a pair of support arms is formed at the outward end, the position of the operating rod 15 near the end of the rotating connecting rod 14 is rotatably connected with the support arms through a shaft pin, the top notch 121 of the cover body provides a space for the rotation of the operating rod 15, so that the operating rod 15 has a longer rotating space, and the pressing block 11 has a longer moving stroke. The push rod 13 and the rotating connecting rod 14 are covered in the long channel of the cover body, and the push rod 13, the rotating connecting rod 14, the operating rod 15 and the rotating connecting position of the operating rod are protected by the cover body, such as dust prevention and collision prevention. The cover body is provided with guide pipeline 122 towards the one end of compact heap 11, and in guide pipeline 122 was worn to locate by catch bar 13, guide pipeline 122 formed spacingly to catch bar 13's direction, and catch bar 13 carries out the straight line promptly along guide pipeline 122's direction and stretches out and draws back. The rotary connection structure between the rotary connecting rod 14 and the pushing rod 13 and the operating rod 15 can adopt a shaft pin connection or a ball joint connection.

When the pressing block 11 needs to be driven to be far away from the positioning block 10, the operating rod 15 is lifted upwards, the operating rod 15 rotates upwards around the pivot pin, the other end of the operating rod 15 rotates towards the direction far away from the positioning block 10, the rotating connecting rod 14 is further pulled, the rotating connecting rod 14 drives the pushing rod 13 to contract towards the direction far away from the positioning block 10, and the pressing block 11 is far away from the positioning block 10 under the contraction motion of the pushing rod 13. The operating rod 15 is lifted upwards to a position and is positioned in the top surface notch 121, and the pressing block 11 is furthest away from the positioning block 10.

When the pressing block 11 needs to be driven to be close to the positioning block 10, the operating rod 15 is pressed downwards, the operating rod 15 rotates downwards around the pivot pin, the other end of the operating rod 15 rotates towards the direction close to the positioning block 10, the rotating connecting rod 14 is further pushed, the rotating connecting rod 14 drives the pushing rod 13 to extend towards the direction close to the positioning block 10, and under the extending movement of the pushing rod 13, the pressing block 11 is close to the positioning block 10 until the pressing block 11 abuts against the positioning block 10, and the heater 50 is clamped. When the operating rod 15 is pressed downwards to a proper position, the operating rod is linearly arranged with the rotating connecting rod 14 and the pushing rod 13.

As shown in fig. 9, the linkage assembly includes at least two linked gears 21, the pressing members 20 are respectively disposed at eccentric positions of the gears 21, and when the gears 21 rotate, the pressing members 20 perform displacement of an arc path at the eccentric positions following the rotation of the gears 21, so as to complete the bending formation of the pins 51 of the heater 50. In this embodiment, the pressing member 20 is a column vertically disposed on the surface of the gear 21; in order to make the pressing member 20 more smoothly contact and extrude with the pins 51 in the movement process, the roller 201 is sleeved on the upright column, and in the process that the pressing member 20 contacts and extrudes with the pins 51, the roller 201 can convert the sliding friction between the pressing member 20 and the pins 51 into rolling friction through rotation, so that the friction force applied to the pins 51 is greatly reduced, and the pins 51 are prevented from being worn in the bending process.

The utility model discloses in, can also increase gear 21 group according to the actual demand of implementing between the gear 21 of two linkages to control two gear 21's rotation direction, if when needing, applicable product that the direction is different in pin 51 buckles. The utility model discloses can also make two gears 21's angular velocity different through gear 21 group, if when needing, applicable buckle the same, the different product of angle of buckling of direction in pin 51. In this embodiment, the linkage assembly includes two linked gears 21, and the two gears 21 are completely the same, so as to be suitable for heaters 50 with the same bending direction and the same bending angle of the pins 51.

In order to realize the accurate bending of the leads 51 at the set positions and to maintain the consistency of the product, the positioning posts 22 are arranged in the bending direction of the leads 51 of the heater 50, and the positioning posts 22 are positioned at the bending positions of the leads 51 of the heater 50. The pressing member 20 is spaced from the positioning post 22, and when the pressing member 20 contacts and presses one end of the pin 51, the other end of the pin 51 bends with the position of the positioning post 22 as a bending point. Because the positioning column 22 is fixed with the positioning block 10, when the positioning mold 101 is used in cooperation, the positions of the heater 50 on the large positioning block 10 are always the same, and the bending positions of the pins 51 are also the same, so that the consistency of the product can be ensured.

In this embodiment, the linkage bending mechanism is disposed on the base 30, the positioning block 10 is disposed on the bottom plate 40, the bottom plate 40 is disposed above the base 30, and a space between the base 30 and the bottom plate 40 is used for disposing the linkage bending mechanism. The bottom plate 40 is provided with an abdicating groove 41 corresponding to the pressing piece 20 and the motion track thereof, the pressing piece 20 passes through the abdicating groove 41 and extends to the upper side of the bottom plate 40, and when the gear 21 rotates, the pressing piece 20 just moves along the inside of the abdicating groove 41. The positioning column 22 is disposed on the base 30, the bottom plate 40 has a yielding groove 41 corresponding to the positioning column 22, and the positioning column 22 passes through the yielding hole and extends to the upper side of the bottom plate 40. In order to make the structure more compact, the gear 21 is sleeved on the positioning column 22, and the positioning column 22 is located at the axis of the gear 21. Due to the arrangement of the base 30, the support body 12 of the driving assembly can be fixed on the base 30 through the extension plate 31 of the base 30, forming a fixed position. The extension plate 31 supports the pressing block 11 to a suitable height through a suitable height, i.e., a height capable of effectively forming a clamping effect with the positioning block 10.

Seen from overall structure, each part forms the overlap of certain degree on horizontal space, makes the utility model discloses a structure is compacter, more is favorable to the miniaturization.

According to actual implementation requirements, the rotation of the gears 21 can be realized by electrification or manual operation, in the embodiment, the gears 21 are driven to rotate in a manual mode, specifically, a rotating handle 23 is connected with one of the gears 21, the gears 21 are driven to rotate by the rotating handle 23, and the other gear 21 is linked.

In order to solve when relying on the range estimation and experience to produce inefficiency and low accuracy etc. not enough, the utility model discloses the accessible is one or more of following structure, inject the angle of buckling of pin 51:

first, the bending angle of the pin 51 is defined by defining the rotation angle of the gear 21: the side of gear 21 includes a tooth surface section and a smooth surface section, and when gear 21 rotates to the smooth surface section, the bending angle of pin 51 is defined.

Secondly, the length of the relief groove 41 determines the bending angle of the stroke limiting pin 51 of the pressing piece 20: when the pressing member 20 moves to abut against the end of the relief groove 41, the bending angle of the pin 51 is defined.

Thirdly, the bending angle of the pin 51 is limited by the method of limiting the rotation stroke of the rotating handle 23: a limiting block is arranged in the advancing direction of the rotating handle 23, and when the limiting block abuts against the rotating handle 23, the bending angle of the pin 51 is limited.

When the utility model discloses can inject pin 51's the angle of buckling at the fixed point, then in the production process, can operate turning handle 23 without regard to ground, buckle because of can't continue pin 51 again in the fixed point position, then can obtain the higher product of uniformity.

The above embodiments are merely illustrative, and not restrictive, of the present invention. Changes, modifications, etc. to the above-described embodiments are intended to fall within the scope of the claims of the present invention, as long as they are in accordance with the technical spirit of the present invention.

Claims (13)

1. A heater pin linkage bending forming device is characterized by comprising a clamping mechanism and a linkage bending mechanism, wherein the linkage bending mechanism comprises a linkage assembly and two pressing pieces, and the two pressing pieces realize linkage motion through the linkage assembly; the heater is clamped through the clamping mechanism, pins at two ends of the heater are opposite to the two pressing pieces respectively, the two pressing pieces move in a linkage mode, and in the process of one-time bending operation, bending forming of the pins at the two ends is completed.

2. The heater pin linkage bending and forming device according to claim 1, wherein the clamping mechanism comprises a positioning block and a pressing block, the positioning block and the pressing block are arranged in opposite directions, and the heater is clamped between the positioning block and the pressing block.

3. The heater pin linkage bending and forming device according to claim 2, wherein the clamping mechanism further comprises a driving assembly, and the pressing block is close to or far from the positioning block through the driving assembly and used for clamping or releasing the heater.

4. The heater pin linkage bending and forming device as claimed in claim 3, wherein the driving assembly comprises a supporting body, a pushing rod, a rotating connecting rod and an operating rod, the supporting body is fixed, two ends of the rotating connecting rod are respectively connected with the pushing rod and the end of the operating rod in a rotating manner, and the other end of the pushing rod is connected with the pressing block; the rod body and the supporting body of the operating rod are provided with a rotating fulcrum, and the operating rod rotates around the rotating fulcrum.

5. The linkage bending and forming device for the pins of the heater according to claim 2, wherein a positioning die is arranged on the side wall of the positioning block opposite to the pressing block, the positioning die matches with the shape of the heater, and the heater is embedded in the positioning block through the positioning die and clamped through the pressing block.

6. The heater pin linkage bending and forming device as claimed in claim 5, wherein the positioning mold is a step or a groove matching the shape of the heater.

7. The heater pin linkage bending and forming device according to claim 1, wherein the linkage assembly comprises at least two linked gears, and the pressing members are respectively disposed at eccentric positions of the gears.

8. The linkage bending and forming device for the pin of the heater as claimed in claim 7, wherein a positioning post is disposed in the bending direction of the pin of the heater, and the positioning post is located at the bending position of the pin of the heater.

9. The heater pin linkage bending and forming device according to claim 8, wherein the linkage bending mechanism is disposed on the base, the positioning block is disposed on the bottom plate, the bottom plate is disposed above the base, the bottom plate is provided with a step-down slot corresponding to the pressing member and the movement track thereof, and the pressing member passes through the step-down slot and extends above the bottom plate.

10. The device for bending and forming pins of a heater in linkage with one another as claimed in claim 9, wherein the positioning posts are disposed on the base, the bottom plate has a recess corresponding to the positioning posts, and the positioning posts extend above the bottom plate through the recess holes.

11. The heater pin linkage bending and forming device as claimed in claim 10, wherein the gear is sleeved on the positioning post, and the positioning post is located at an axial center of the gear.

12. The heater pin linkage bending and forming device as claimed in claim 7, wherein one of the gears is connected with a rotating handle, the gear is driven to rotate by the rotating handle, and the other gear is linked.

13. The heater pin linkage bending forming device according to claim 7, 10 or 12, wherein the bending angle of the pin is defined by one or more of the following structures:

the side surface of the gear comprises a tooth surface section and a smooth surface section, and when the gear rotates to the smooth surface section, the bending angle of the pin is limited;

or when the pressing piece moves to abut against the end part of the abdicating groove, the bending angle of the pin is limited;

or, set up the stopper in the direction of advance of twist grip, when stopper and twist grip top were supported, the angle of buckling of injecing the pin.

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