CN212106790U

CN212106790U - Be applied to damping device of forging hammer machine

Info

Publication number: CN212106790U
Application number: CN202020472937.XU
Authority: CN
Inventors: 袁和平
Original assignee: Nanjing Dechang Forging Co ltd
Current assignee: Nanjing Dechang Forging Co ltd
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2020-12-08
Anticipated expiration: 2030-04-02

Abstract

The utility model discloses a damping device applied to a forging hammer, which is applied to the technical field of an air hammer and solves the technical problem that the damping effect of the air hammer is not good when in work, the key point of the technical proposal comprises a base, a hammer body positioned on the base, two rows of guide pillars which are oppositely arranged on the upper surface of the base in pairs, a guide sleeve sleeved on the guide pillar, a rubber damping block arranged on the lower surface of the hammer body and a support platform arranged on the base and used for supporting the rubber damping block, the upper surface of the support platform is provided with a transverse limiting part and is connected with the rubber damping block, the top end of the guide sleeve is fixed on the lower surface of the hammer body, a longitudinal buffer part is arranged on the guide pillar and is connected with the bottom end of the guide sleeve, and the base is; the damping device has a good damping effect, improves the stability of the machining process, avoids the hammer machine body from being damaged due to vibration, and prolongs the service life of the air hammer.

Description

Be applied to damping device of forging hammer machine

Technical Field

The utility model relates to a technical field of air hammer, in particular to be applied to damping device of forging hammer machine.

Background

Air hammer, a type of free forging machine. The compression cylinder compresses air, the air is sent into the working cylinder through the distribution valve, the working cylinder pushes the piston and the hammer head to move up and down to play a role of a hammer, and the metal piece is hit to achieve the purpose of forming.

The existing Chinese patent with the publication number of CN205464119U discloses an air hammer, which comprises a hammer body, a hammer head and an anvil block, wherein the hammer head is connected to the hammer body in a sliding manner, the anvil block is positioned below the hammer head, one end of the hammer head, which is close to the anvil block, is provided with an upper anvil iron, the upper anvil iron is integrally formed on the hammer head, the lower end of the upper anvil iron is provided with an extending part for increasing the area of a contact workpiece, and the side surface of the upper anvil iron is an inward-concave arc-shaped surface; the upper anvil iron is integrally formed on the upper anvil iron, so that the effect of stabilizing the air hammer when the hammer machine works is achieved.

However, the above technical solutions have the following disadvantages: because the metalwork intensity is big, the hardness is high, the shaping degree of difficulty is big, and the air hammer just can realize fashioned purpose through the reciprocal hitting of high frequency, so the air hammer vibrations and impact force are great at the during operation, but the shock attenuation effect of above-mentioned air hammer when processing is not good, leads to the operation in-process stability not enough, and factor of safety is low, causes easily because of vibrations lead to the air hammer to damage, has reduced the life of air hammer.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a be applied to damping device of forging hammer machine, its advantage: the damping device has a good damping effect, improves the stability of the machining process, avoids the damage of the air hammer caused by vibration, and prolongs the service life of the air hammer.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a be applied to damping device who forges hammer machine, includes the base, is located the hammer machine body on the base, still includes two rows of two liang of relative settings at the guide pillar of base upper surface, the cover establish the guide pin bushing on the guide pillar, set up the rubber snubber block of hammer machine body lower surface and set up the brace table that is used for bearing rubber snubber block on the base, the upper surface of brace table is equipped with horizontal locating part and links to each other with rubber snubber block, the lower surface at the hammer machine body is fixed on the top of guide pin bushing, be equipped with vertical bolster on the guide pillar and link to each other with the bottom of guide pin bushing, be equipped with the reset assembly who is used for.

Through the technical scheme, when the shock force in the transverse direction occurs, the rubber shock absorption block is stably contacted with the upper surface of the supporting table by using the transverse limiting piece, so that the left and right shaking of the rubber shock absorption block can be effectively avoided; when the vibration force in the longitudinal direction occurs, the guide sleeve is lifted on the guide post, and the longitudinal buffer piece is utilized to buffer and limit the lifting of the guide sleeve; finally, the rubber damping block is righted by using the resetting piece, so that the hammer body can stably work; adopt the damping device that above-mentioned structure constitutes, have good shock attenuation effect, avoid the jarring power too big, lead to hammer quick-witted body internal part to damage, prolonged the life of hammer quick-witted body, improved the stability of course of working.

The utility model discloses further set up to: horizontal locating part includes that the equipartition sets up a plurality of spacing springs at rubber snubber block diapire, the lateral wall that brace table and rubber snubber block laminated mutually all establishes to the wave curved surface, the roof equipartition of brace table is equipped with a plurality of spacing grooves, the tank bottom wall at the spacing groove is fixed to the one end that rubber snubber block was kept away from to spacing spring.

Through above-mentioned technical scheme, the setting of wave curved surface and spacing spring plays limiting displacement to the removal of rubber snubber block for stable and the supporting bench surface contact of rubber snubber block has improved the stability of hammer body working process.

The utility model discloses further set up to: the longitudinal buffer piece comprises a first spring connected with the bottom wall of the guide sleeve, two second springs oppositely sleeved on the guide pillar, a first supporting block and a second supporting block, wherein the first supporting block and the second supporting block are arranged on the inner side wall of the first spring, the bottom end of the first spring is connected with the upper surface of the base, one ends, close to each other, of the two second springs are respectively fixed on the upper surface of the first supporting block and the lower surface of the second supporting block, and one ends, far away from each other, of the two second springs are respectively connected with the upper surface of the base.

Through the technical scheme, when the vibration force in the longitudinal direction occurs, the guide sleeve slides and goes up and down on the guide post, when the guide sleeve moves downwards, the first spring is compressed to a certain position, the second support block moves downwards and is abutted against the second spring below, so that the second spring is compressed, and the compressed buffering force of the first spring is increased because the second spring has a certain elastic coefficient; on the contrary, when the guide sleeve moves upwards, the first spring is stretched, the first support block is driven to move upwards and abut against the second spring, the elastic force of the second spring is utilized, the stretched buffering force of the first spring is increased, and therefore the lifting distance of the guide sleeve is limited. Because first spring and second spring have the effect of absorbed shock, and then play the effect of buffering and shock absorption to the vibrations of longitudinal direction, improved the stability of hammer body working process.

The utility model discloses further set up to: and a plurality of balls are embedded in the inner wall of the guide sleeve and are in contact with the outer wall of the guide pillar.

Through the technical scheme, the arrangement of the balls realizes that the guide sleeve is changed into rolling friction in the process of ascending and descending, so that the friction between the inner wall of the guide sleeve and the outer wall of the guide pillar is reduced, and the stability of the ascending and descending process of the guide sleeve is improved.

The utility model discloses further set up to: the reset assembly comprises a support, a rotating shaft, a first gear, a second gear, a vertical rack, a horizontal rack and a torsional spring, wherein the support is arranged on the base and is positioned on one side of the guide pillar, the rotating shaft is rotatably connected with the side wall of the support, the first gear and the second gear are oppositely sleeved on the rotating shaft, the vertical rack is arranged on the outer wall of the guide sleeve, the horizontal rack is slidably arranged on the upper surface of the base, the torsional spring is sleeved on the rotating shaft, one end of the torsional spring is fixed on the outer wall of the rotating shaft, the other end of the torsional spring is connected with the side wall of the support, the first gear is meshed with the vertical rack, the second gear is meshed with the.

Through above-mentioned technical scheme, when the vibrations that produce longitudinal direction, lead to vertical rack along with reciprocating of guide pin bushing and go up and down, and then drive first gear just reversal, the pivot is just reversal simultaneously to drive second gear just reversal, make horizontal rack to the outer wall that is close to or keeps away from rubber snubber block slide, and then utilize to support the turning lateral wall that tight piece is close to or keeps away from rubber snubber block.

Then, the rotating shaft is rotated to be positive by utilizing the resetting capability of the torsional spring, so that the first gear and the second gear are driven to rotate reversely and stably, the vertical rack and the horizontal rack are reset, the longitudinal resetting of the guide sleeve and the rubber damping block is realized, meanwhile, the lateral resetting of the rubber damping block is realized by tightly abutting against the side wall of the corner of the rubber damping block through the abutting piece, and the rubber damping block is stably fixed on the supporting table; this reset structure can avoid influencing the stability of hammer machine body working process because of vibration amplitude is too big, has prolonged the life of air hammer.

The utility model discloses further set up to: the abutting piece comprises a supporting rod connected with the end wall of one side of the rack and a right-angle abutting plate connected with the supporting rod, and the right-angle abutting plate abuts against the side wall of the corner of the rubber shock absorption block.

Through above-mentioned technical scheme, support and preferably establish to 4 groups tightly, and then 4 right angles support the board and play spacing effect to the horizontal vibrations of rubber snubber block, have improved the stability that rubber snubber block is located a supporting bench to hammer the quick-witted body and can stabilize work.

The utility model discloses further set up to: the diameter size of the first gear is smaller than that of the second gear.

Through above-mentioned technical scheme, the diameter size of second gear is greater than the diameter size of first gear to right angle is supported the board and can be tightly supported the right angle lateral wall at rubber snubber block.

The utility model discloses further set up to: the roof of base is equipped with the spout, the diapire of horizontal rack is equipped with the slider that slides in the spout, the length direction of spout is parallel with the diagonal place straight line of rubber snubber block.

Through above-mentioned technical scheme, the combination of slider and spout plays spacing and guide effect to sliding of horizontal rack to the right angle supports the board and can tightly support the turning lateral wall at rubber snubber block.

To sum up, the utility model discloses following beneficial effect has:

1. the rubber damping block can be effectively prevented from shaking left and right by utilizing the transverse limiting piece; the longitudinal buffer piece is utilized to buffer and limit the lifting of the guide sleeve; finally, righting the rubber damping block by using a resetting piece; the damping device has a good damping effect, avoids damage to internal parts of the hammer machine body due to overlarge damping force, prolongs the service life of the hammer machine body, and improves the stability of a machining process;

2. the arrangement of the wavy curved surface and the limiting spring has a limiting effect on the left and right movement of the rubber shock absorption block, so that the rubber shock absorption block is stably contacted with the surface of the supporting table, and the stability of the hammer body in the working process is improved;

3. the elasticity of the second spring is utilized, the buffering force of the first spring in the stretching process is increased, and the lifting distance of the guide sleeve is limited. The effect that first spring absorbed the vibration power has been strengthened simultaneously, plays the effect of buffering and shock attenuation to the vibrations of longitudinal direction, has improved the stability of hammer body working process.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is a schematic sectional view of the whole structure of the present embodiment.

Fig. 3 is an enlarged schematic structural view for embodying the portion a in fig. 2.

Fig. 4 is a schematic cross-sectional view of a longitudinal buffer.

Fig. 5 is a schematic structural diagram for embodying the reset assembly.

Reference numerals: 1. a base; 2. a hammer body; 3. a guide post; 4. a guide sleeve; 5. a rubber damper block; 6. a support table; 7. a lateral limit piece; 71. a limiting spring; 72. a limiting groove; 73. a wave curved surface; 8. a longitudinal buffer; 81. a first spring; 82. a second spring; 83. a first support block; 84. a second branch block; 9. a reset assembly; 91. a support; 92. a rotating shaft; 93. a first gear; 94. a second gear; 95. a vertical rack; 96. a horizontal rack; 97. a torsion spring; 10. a ball bearing; 11. an abutting piece; 111. a strut; 112. a right-angle resisting plate; 12. a chute; 13. a slide block.

Detailed Description

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

Example (b):

a damping device applied to a forging hammer machine, referring to fig. 1, comprises a base 1 and a hammer machine body 2 positioned on the base 1.

Referring to fig. 1, the middle of the lower surface of the hammer machine body 2 is fixedly provided with a rubber damping block 5, the middle of the upper surface of the base 1 is provided with a supporting table 6, the upper surface of the supporting table 6 is provided with a transverse limiting part 7, the transverse limiting part 7 is connected with the lower surface of the rubber damping block 5, and the supporting table 6 supports the rubber damping block 5. When the vibration happens, the left and right deflection of the rubber shock absorption block 5 can be avoided, and the rubber shock absorption block 5 has the functions of absorbing and buffering the shock, so that the shock generated when the hammer machine body 2 works can be effectively eliminated.

Referring to fig. 2 and 3, horizontal locating part 7 includes that the equipartition sets up a plurality of spacing springs 71 at 5 diapalls of rubber snubber block, the upper surface equipartition of brace table 6 is equipped with a plurality of spacing grooves 72, the tank bottom wall at spacing groove 72 is fixed to the one end that rubber snubber block 5 was kept away from to spacing spring 71, the lateral wall that brace table 6 and rubber snubber block 5 laminated mutually is established to mutually supporting wave curved surface 73, when the seismic force of taking place transverse direction, wave curved surface 73 and spacing spring 71's setting, control about to rubber snubber block 5 and play limiting displacement, make stable and the supporting bench 6's of rubber snubber block 5 surface contact, the stability of hammer machine body 2 course of work has been improved.

Referring to fig. 1 and 4, in order to eliminate the vertical vibration generated during the operation of the hammer body 2, guide sleeves 4 are fixedly arranged at four corners of the lower surface of the hammer body 2, guide pillars 3 corresponding to the 4 guide sleeves 4 one by one are respectively and fixedly arranged on the upper surface of the base 1, the top ends of the guide pillars 3 slide in the guide sleeves 4, and the guide pillars 3 are provided with longitudinal buffers 8 and connected with the bottom ends of the guide sleeves 4.

Referring to fig. 4, the longitudinal buffering assembly includes a first spring 81 connected to the bottom wall of the guide sleeve 4, two second springs 82 oppositely sleeved on the guide post 3, a first support block 83 and a second support block 84 disposed on the inner side wall of the first spring 81, the bottom end of the first spring 81 is connected to the upper surface of the base 1, the two second springs 82 are disposed opposite to each other, the height distance between the first support block 83 and the base 1 is greater than the height distance between the second support block 84 and the base 1, the ends of the two second springs 82 close to each other are respectively fixed to the upper surface of the first support block 83 and the lower surface of the second support block 84, and the ends of the two second springs 82 far away from each other are respectively connected to the upper surface of the base 1.

Since the first spring 81 and the second spring 82 have the function of absorbing the shock, the guide sleeve 4 slides and moves up and down on the guide post 3 when the shock in the longitudinal direction occurs. When the guide sleeve 4 moves downwards, the first spring 81 is compressed, when the first spring 81 is compressed to a certain position, the second support block 84 moves downwards and is abutted against the second spring 82 below, so that the second spring 82 is compressed, and the buffer force of the first spring 81 is increased due to the fact that the second spring 82 has a certain elastic coefficient; on the contrary, when the guide sleeve 4 moves upwards, the first spring 81 is stretched, the first support block 83 is driven to move upwards and abut against the second spring 82, the elastic force of the second spring 82 is utilized, the stretched buffering force of the first spring 81 is increased, the lifting distance of the guide sleeve 4 is limited, the longitudinal vibration is buffered and damped, and the stability of the working process of the hammer machine body 2 is improved.

Referring to fig. 4, the inner wall of the guide sleeve 4 is uniformly provided with a plurality of balls 10 and contacts with the outer wall of the guide pillar 3, so that sliding friction is changed into rolling friction in the process of up-down lifting of the guide sleeve 4, the friction between the inner wall of the guide sleeve 4 and the outer wall of the guide pillar 3 is reduced, and the stability of the lifting process of the guide sleeve 4 is improved.

Referring to fig. 1 and 5, the reset assembly 9 includes a support 91 disposed on the base 1 and located on one side of the guide pillar 3, a rotating shaft 92 rotatably connected to a side wall of the support 91, two first and

second gears

93 and 94 oppositely sleeved on the rotating shaft 92, a vertical rack 95 disposed on an outer wall of the guide sleeve 4, a horizontal rack 96 slidably disposed on an upper surface of the base 1, and a torsion spring 97 sleeved on the rotating shaft 92, one end of the torsion spring 97 is fixed on an outer wall of the rotating shaft 92, the other end of the torsion spring 97 is connected to a side wall of the support 91, the first gear 93 is engaged with the vertical rack 95, the second gear 94 is engaged with the horizontal rack 96, a abutting member 11 is disposed on a side wall of the horizontal rack 96 and abuts against a corner side wall of the rubber damper block 5. In this embodiment, the number of the supporting seat 91 is preferably 4, and the 4 abutting members 11 respectively abut against the side walls of the 4 corners of the rubber damper block 5, so that the stability of the rubber damper block 5 on the supporting table 6 is improved.

When the vibrations that produce longitudinal direction lead to vertical rack 95 along with reciprocating of guide pin bushing 4 and go up and down, and then drive first gear 93 and just reverse, pivot 92 just reverse simultaneously to drive second gear 94 and just reverse, make horizontal rack 96 to the outer wall that is close to or keeps away from rubber snubber block 5 slide, and then utilize to support the piece 11 and be close to or keep away from the turning lateral wall of rubber snubber block 5.

By utilizing the resetting capability of the torsion spring 97, the rotating shaft 92 is rotated forwards, so that the first gear 93 and the second gear 94 are driven to rotate reversely and stably, the vertical rack 95 and the horizontal rack 96 are reset, the longitudinal resetting of the guide sleeve 4 and the rubber damping block 5 is realized, meanwhile, the lateral resetting of the rubber damping block 5 is realized by tightly abutting the side wall of the corner of the rubber damping block 5 through the abutting piece 11, and the rubber damping block 5 is stably fixed on the supporting table 6; this reset structure can avoid influencing the stability of 2 working processes of hammer machine body because of vibration amplitude is too big, has prolonged the life of air hammer.

Referring to fig. 5, the abutting member 11 includes a supporting rod 111 connected to an end wall of one side of the rack and a right-angle abutting plate 112 connected to the supporting rod 111, and the 4 right-angle abutting plates 112 abut against a corner side wall of the rubber damper block 5, so as to limit the lateral vibration of the rubber damper block 5, improve the stability of the rubber damper block 5 on the supporting table 6, and facilitate the stable operation of the hammer machine body 2 (fig. 1).

Referring to fig. 5, in order to make the right angle abutting plate 112 abut against the corner side wall of the rubber damper block 5, the diameter size of the first gear 93 is smaller than that of the second gear 94.

Referring to fig. 5, the top wall of the base 1 is provided with a sliding groove 12, the bottom wall of the horizontal rack 96 is provided with a sliding block 13 sliding in the sliding groove 12, the sliding groove 12 is a dovetail groove, the sliding block 13 is a dovetail block, and the sliding block 13 and the sliding groove 12 are matched to limit and guide the sliding of the horizontal rack 96. The length direction of the sliding groove 12 is parallel to the line of the diagonal line of the rubber damper block 5, so that the right-angle abutting plate 112 can abut against the corner side wall of the rubber damper block 5.

The working process is as follows: the lateral wall that rubber snubber block 5 and brace table 6 laminated mutually is established to wave curved surface 73, rocks about rubber snubber block 5 and plays limiting displacement, utilizes spacing spring 71 simultaneously, can absorb the jarring force that produces during vibrations, can fix rubber snubber block 5 on brace table 6 stably simultaneously.

When the guide sleeve 4 moves upwards due to the vertical shock force, the first spring 81 is stretched to drive the first support block 83 to move upwards and abut against the second spring 82 above, and the stretched buffering force of the first spring 81 is increased by the aid of the elastic force of the second spring 82; otherwise, when the guide sleeve 4 moves down, the first spring 81 is compressed to drive the second support block 84 to move down and is abutted to the second spring 82 below, the second spring 82 increases the buffer force of the first spring 81, and then the expansion of the first spring 81 is limited, so that the buffer shock force of the first spring 81 is increased, and the problem that the vibration amplitude of the hammer machine body 2 is too large to influence the stability of the working process is avoided.

For further strengthening the stability that rubber damper 5 is located brace table 6, when guide pin bushing 4 reciprocated, drive vertical rack 95 and go up and down, and then first gear 93 and second gear 94 are just reversing, drive horizontal rack 96 and remove to the direction of keeping away from or being close to rubber damper 5, utilize torsional spring 97's the ability of resetting, can stably reset vertical rack 95 and horizontal rack 96, make guide pin bushing 4 stable, the right angle supports board 112 tightly supports the turning lateral wall at rubber damper 5 simultaneously, the location to rubber damper 5 has been realized, so that hammer machine body 2 can stable work.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a be applied to damping device who forges hammer machine, includes base (1), hammer machine body (2) that are located base (1), its characterized in that: the hammer machine is characterized by further comprising two rows of guide pillars (3) which are arranged on the upper surface of the base (1) in a pairwise opposite mode, guide sleeves (4) which are sleeved on the guide pillars (3), rubber shock absorption blocks (5) which are arranged on the lower surface of the hammer machine body (2) and a supporting table (6) which is arranged on the base (1) and used for supporting the rubber shock absorption blocks (5), wherein the upper surface of the supporting table (6) is provided with a transverse limiting part (7) and is connected with the rubber shock absorption blocks (5), the top end of each guide sleeve (4) is fixed on the lower surface of the hammer machine body (2), a longitudinal buffer part (8) is arranged on each guide pillar (3) and is connected with the bottom end of each guide sleeve (4), and a reset component (9) used for righting.

2. The damping device applied to a forging hammer as set forth in claim 1, wherein: horizontal locating part (7) set up a plurality of spacing springs (71) at rubber snubber block (5) diapire including the equipartition, the lateral wall that brace table (6) and rubber snubber block (5) laminated mutually all establishes to wave curved surface (73), the roof equipartition of brace table (6) is equipped with a plurality of spacing grooves (72), the tank bottom wall at spacing groove (72) is fixed to the one end that rubber snubber block (5) were kept away from in spacing spring (71).

3. The damping device applied to a forging hammer as set forth in claim 1, wherein: the longitudinal buffer piece (8) comprises a first spring (81) connected with the bottom wall of the guide sleeve (4), two second springs (82) oppositely sleeved on the guide post (3), a first supporting block (83) and a second supporting block (84) arranged on the inner side wall of the first spring (81), the bottom end of the first spring (81) is connected with the upper surface of the base (1), one ends, close to each other, of the second springs (82) are fixed on the upper surface of the first supporting block (83) and the lower surface of the second supporting block (84) respectively, and one ends, far away from each other, of the second springs (82) are connected with the upper surface of the base (1) respectively.

4. The damping device applied to a forging hammer as set forth in claim 3, wherein: a plurality of balls (10) are embedded in the inner wall of the guide sleeve (4) and are in contact with the outer wall of the guide post (3).

5. The damping device applied to a forging hammer as set forth in claim 3, wherein: the reset component (9) comprises a support (91) which is arranged on the base (1) and is positioned on one side of the guide post (3), a rotating shaft (92) which is rotatably connected with the side wall of the support (91), a first gear (93) and a second gear (94) which are oppositely sleeved on the rotating shaft (92), a vertical rack (95) which is arranged on the outer wall of the guide sleeve (4), a horizontal rack (96) which is arranged on the upper surface of the base (1) in a sliding way and a torsion spring (97) which is sleeved on the rotating shaft (92), one end of the torsion spring (97) is fixed on the outer wall of the rotating shaft (92), the other end of the torsion spring (97) is connected with the side wall of the support (91), the first gear (93) is meshed with a vertical rack (95), the second gear (94) is meshed with a horizontal rack (96), the side wall of the horizontal rack (96) is provided with a propping piece (11) and props against the corner side wall of the rubber shock absorption block (5).

6. The damping device applied to a forging hammer as set forth in claim 5, wherein: the abutting piece (11) comprises a supporting rod (111) connected with the end wall of one side of the rack and a right-angle abutting plate (112) connected with the supporting rod (111), and the right-angle abutting plate (112) abuts against the side wall of the corner of the rubber shock absorption block (5).

7. The damping device applied to a forging hammer as set forth in claim 5, wherein: the diameter size of the first gear (93) is smaller than that of the second gear (94).

8. The damping device applied to a forging hammer as set forth in claim 5, wherein: the roof of base (1) is equipped with spout (12), the diapire of horizontal rack (96) is equipped with slider (13) that slide in spout (12), the length direction of spout (12) is parallel with the diagonal place straight line of rubber snubber block (5).