CN212310589U - Swivel chair short leg pipe forming die - Google Patents

Abstract

The utility model discloses a swivel chair short leg pipe forming die, which comprises an upper die and a lower die, wherein the top of the upper die is provided with a top plate, the bottom of the lower die is provided with a bottom plate, the upper die comprises a first limiting plate, a second limiting plate, a third limiting plate and a fourth limiting plate, the middle part of the second limiting plate is run through and provided with a first chute, the bottom of the top plate is provided with an air spring, the bottom of the air spring is provided with a sliding plate, the sliding plate is positioned in the first chute, the bottom of the sliding plate is provided with a fixed block, one side of the fixed block is provided with a connecting plate, one end of the connecting plate far away from the fixed block is provided with an air cylinder, one end of the air cylinder near the fixed block is provided with a die core, the die core runs through the fixed block, the bilateral symmetry, become the groove bilateral symmetry and set up the briquetting, the utility model discloses solved traditional moulded die machining precision well and not high this too high problem that forms.

Description

Swivel chair short leg pipe forming die

Technical Field

The utility model relates to the technical field of mold, specifically a swivel chair short leg pipe moulded die.

Background

The chair is a common furniture in daily life, and as the technical level is continuously improved, the chair also shows more and more types, the swivel chair is a common one, in order to make the structure simple, the base of the swivel chair usually only comprises a tray, an upright post, foot pipes, a rotating wheel and other structures, wherein the foot pipes comprise long foot pipes and short foot pipes, in order to ensure the stability of the swivel chair, the connection between the long foot pipes and the short foot pipes needs to be accurate enough, which puts higher requirements on the processing precision of the long foot pipes and the short foot pipes, the production of the short foot pipes is mainly completed through forming dies, the traditional forming dies usually directly match an upper die and a lower die to simply press raw materials, and the subsequent fine processing procedures such as edge folding, sizing and the like need to be completed by other dies, so that not only the processing precision is not high, but also the cost is high, and based on the condition, the processing precision of the short foot pipes can be improved, and the excessive processing cost can not be used, and the problem which needs to be solved by related technicians is more and more.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a swivel chair short leg pipe moulded die.

The utility model provides a swivel chair short leg pipe moulded die, includes mould, lower mould, it sets up the roof to go up the mould top, the lower mould bottom sets up bottom plate, its characterized in that: the upper die comprises a first limiting plate, a second limiting plate, a third limiting plate and a fourth limiting plate, a first chute is arranged in the middle of the second limiting plate in a penetrating mode, an air spring is arranged at the bottom of the top plate, a sliding plate is arranged at the bottom of the air spring and located inside the first chute, a fixing block is arranged at the bottom of the sliding plate, a connecting plate is arranged on one side of the fixing block, an air cylinder is arranged at one end, far away from the fixing block, of the connecting plate, the air cylinder is close to one end of the fixing block, a die core is arranged at one end of the fixing block and penetrates through the fixing block, first pressing plates are symmetrically arranged on two sides of the die core, a second pressing plate is arranged on the lower surface of the upper half portion of the air spring and penetrates through the sliding plate, fifth limiting plates are symmetrically arranged on the upper, the second pressing plate is arranged corresponding to the forming groove, and the first pressing plate is arranged corresponding to the pressing block.

Furthermore, the bottom of the first pressing plate is close to one side of the forming groove, and the upper part of the pressing block is far away from one end of the forming groove, and the two inclined surfaces are parallel to each other when the upper die and the lower die are in a die closing state.

Furthermore, the two sides of the forming groove are symmetrically provided with second sliding grooves, the bottom of the pressing block is provided with a sliding block, and the sliding block is located inside the second sliding grooves.

Further, the distances between the lower surfaces of the mold core, the first pressing plate and the second pressing plate and the lower surface of the top plate are sorted from long to short into the mold core, the first pressing plate and the second pressing plate.

Further, the top plate is symmetrically provided with sleeves on one side, the bottom plate is symmetrically provided with limiting columns on the same side as the sleeves, and the sleeves are sleeved on the end portions of the limiting columns when the upper die and the lower die are in a die assembly state.

Further, the bottom of the first limiting plate is far away from one side of the cylinder, an upper limiting plate is arranged, a lower limiting plate is arranged on one side of the base, and the upper limiting plate is in complete contact with the lower limiting plate when the upper die and the lower die are in a die closing state.

Furthermore, the number of gas springs is 2 groups, and 2 groups of gas springs are symmetrically arranged above the sliding plate.

Furthermore, a slot penetrates through the surface of the base, clamping blocks are symmetrically arranged at two ends of the slot, the fifth limiting plate is of an I-shaped structure, the lower portion of the fifth limiting plate is inserted into the slot, and the clamping blocks are clamped with the fifth limiting plate.

Furthermore, a die handle is arranged in the middle of the upper portion of the fourth limiting plate and penetrates through the top plate.

The utility model discloses a swivel chair short leg pipe moulded die's beneficial effect does:

1. in the process of closing the upper die and the lower die, the die core, the pressing block and the second pressing plate sequentially carry out primary pressing, edge folding and final shaping on the raw materials, so that the problems that the traditional forming die only simply presses the raw materials, the processing precision is not high, and the cost is too high due to the fact that an additional die is needed in the subsequent finish machining process are well solved;

2. the cooperation of the cylinder and the mold core, the cooperation of the first pressing plate, the pressing block, the sliding block and the second sliding chute and the cooperation of the air spring, the sliding plate, the first sliding chute and the second pressing plate enable the pressing of the mold core on the raw material, the folding of the pressing block on the raw material and the final shaping of the raw material by the second pressing plate to be smoothly carried out, so that the requirement of sequential processing for improving the processing precision is met, and the simplicity of the structure is ensured;

3. the matching of the sleeve and the limiting column is combined with the limiting effect of the die handle, so that the die closing process is more accurate, the upper limiting plate is matched with the lower limiting plate, the position of the die core is always limited in the horizontal position in the die closing process, and the processing precision and the quality of finished products are effectively guaranteed.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, but the protection scope of the present invention is not limited thereto.

FIG. 1 is a schematic structural view of a swivel chair short leg tube forming mold of the present invention;

FIG. 2 is a schematic structural view of an upper mold of a swivel chair short leg pipe forming mold of the present invention;

FIG. 3 is a schematic structural view of a lower mold of a swivel chair short leg tube forming mold of the present invention;

fig. 4 is a schematic view (one) of the internal structure of the swivel chair short leg pipe forming die in a die assembly state;

fig. 5 is a schematic view (ii) of the internal structure of the swivel chair short leg pipe forming die in a die assembly state;

fig. 6 is a schematic view (iii) of the internal structure of the swivel chair short leg pipe forming die in a die assembly state;

the die comprises a die shank 1, an upper die 2, a lower die 3, a top plate 4, a sleeve 5, a cylinder 6, a connecting plate 7, a fixing block 8, a die core 9, an upper limiting plate 10, a first limiting plate 11, a second limiting plate 12, a third limiting plate 13, a fourth limiting plate 14, a first pressing plate 15, a limiting column 16, a bottom plate 17, a clamping block 18, a clamping block 19, a fifth limiting plate 20, a pressing block 20, a lower limiting plate 21, an air spring 22, a first sliding groove 23, a slot 24, a base 25, a sliding plate 26, a second pressing plate 27, a second sliding groove 28 and a sliding block 29.

Detailed Description

For the sake of clarity, the forming mold for short leg tube of swivel chair of the present invention will be further described with reference to the drawings of the specification and fig. 1 to 6.

The utility model provides a swivel chair short leg pipe moulded die, includes last mould 2, lower mould 3, it sets up roof 4 to go up 2 tops of mould, 3 bottoms of lower mould set up bottom plate 17, its characterized in that: the upper die 2 comprises a first limiting plate 11, a second limiting plate 12, a third limiting plate 13 and a fourth limiting plate 14, a first chute 23 is arranged in the middle of the second limiting plate 12 in a penetrating manner, an air spring 22 is arranged at the bottom of the top plate 4, a sliding plate 26 is arranged at the bottom of the air spring 22, the sliding plate 26 is positioned inside the first chute 23, a fixed block 8 is arranged at the bottom of the sliding plate 26, a connecting plate 7 is arranged on one side of the fixed block 8, an air cylinder 6 is arranged at one end, far away from the fixed block 8, of the connecting plate 7, a mold core 9 is arranged at one end, close to the fixed block 8, of the air cylinder 6, the mold core 9 penetrates through the fixed block 8, first pressing plates 15 are symmetrically arranged on two sides of the mold core 9, a second pressing plate 27 is arranged on the lower surface of the upper half of the air spring 22, the second pressing, the middle position of the upper surface of the base 25 is provided with a forming groove, two sides of the forming groove are symmetrically provided with pressing blocks 20, the second pressing plate 27 corresponds to the forming groove, and the first pressing plate 15 corresponds to the pressing blocks 20.

Furthermore, the bottom of the first pressing plate 15 is close to one side of the forming groove, and the upper part of the pressing block 20 is far away from one end of the forming groove, and the two inclined surfaces are parallel to each other when the upper die 2 and the lower die 3 are in a die assembly state.

Further, second sliding grooves 28 are symmetrically formed in two sides of the forming groove, a sliding block 29 is arranged at the bottom of the pressing block 20, and the sliding block 29 is located inside the second sliding grooves 28.

Further, the distances between the lower surfaces of the mold core 9, the first pressing plate 15 and the second pressing plate 27 and the lower surface of the top plate 4 are sorted from long to short into the mold core 9, the first pressing plate 15 and the second pressing plate 27.

Further, the sleeve 5 is symmetrically arranged on one side of the top plate 4, the limiting posts 16 are symmetrically arranged on the same side of the bottom plate 17 and the sleeve 5, and the sleeve 5 is sleeved on the end portions of the limiting posts 16 when the upper die 2 and the lower die 3 are in a die assembly state.

Further, the bottom of the first limit plate 11 is far away from the side of the cylinder 6 and is provided with an upper limit plate 10, the side of the base 25 is provided with a lower limit plate 21, and the upper limit plate 10 is completely contacted with the lower limit plate 21 in the closing state of the upper die 2 and the lower die 3.

Further, the number of the gas springs 22 is 2, and 2 groups of the gas springs 22 are symmetrically arranged above the sliding plate 26.

Further, a slot 24 is formed in the surface of the base 25 in a penetrating manner, the two ends of the slot 24 are symmetrically provided with the fixture blocks 18, the fifth limiting plate 19 is of an i-shaped structure, the lower portion of the fifth limiting plate 19 is inserted into the slot 24, and the fixture blocks 18 are clamped with the fifth limiting plate 19.

Further, a die shank 1 is arranged in the middle of the upper portion of the fourth limiting plate 14, and the die shank 1 penetrates through the top plate 4.

The utility model discloses a theory of operation of swivel chair short leg pipe moulded die does: the short-leg tube raw material is placed in the middle of the upper surface of a base 25, an air cylinder 6 is started to enable the air cylinder 6 to push a mold core 9 forwards until one end, far away from the air cylinder 6, of the mold core 9 is located under an upper limiting plate 10, an upper mold 2 is suspended over a lower mold 3 by a suspension device and moves downwards vertically, the distances between the lower surfaces of the mold core 9, a first pressing plate 15 and a second pressing plate 27 and the lower surface of a top plate 4 are from long to short, the mold core 9 contacts with the short-leg tube raw material at first and is gradually embedded into a forming groove to complete a primary forming process, then an inclined plane at the bottom of the first pressing plate 15 contacts with an inclined plane at one end, far away from the forming groove, of a pressing block 20 and pushes the pressing block 20 to move towards the forming groove, when the first pressing plate 15 is in complete contact with a vertical plane adjacent to the pressing block 20, the pressing block 20 completes, slide 26 lower surface and the complete contact of first limiting plate 11 upper surface, air spring 22 no longer has down space, air spring 22 lower half goes upward, and then first one of air spring 22 is down, promote second clamp plate 27 and move down, contact completely until second clamp plate 27 lower surface and short foot pipe raw materials, to the preliminary shaping of this short foot pipe raw materials, hem and the complete completion of final design process, start cylinder 6 and take out mold core 9 by the shaping inslot, use hanging device to separate last mould 2 and lower mould 3, can take short foot pipe finished product away, can accomplish a duty cycle so far.

The above is only the specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims (9)

1. The utility model provides a swivel chair short leg pipe moulded die, includes mould (2), lower mould (3), it sets up roof (4) to go up mould (2) top, lower mould (3) bottom sets up bottom plate (17), its characterized in that: the upper die (2) comprises a first limiting plate (11), a second limiting plate (12), a third limiting plate (13) and a fourth limiting plate (14), a first chute (23) is arranged in the middle of the second limiting plate (12) in a penetrating mode, an air spring (22) is arranged at the bottom of the top plate (4), a sliding plate (26) is arranged at the bottom of the air spring (22), the sliding plate (26) is located inside the first chute (23), a fixing block (8) is arranged at the bottom of the sliding plate (26), a connecting plate (7) is arranged on one side of the fixing block (8), an air cylinder (6) is arranged at one end of the fixing block (8) far away from the connecting plate (7), the air cylinder (6) is close to the fixing block (8), a die core (9) is arranged at one end of the fixing block (8), the die core (9) penetrates through the fixing block (8), first pressing plates (15) are symmetrically arranged on, second clamp plate (27) run through slide (26), lower mould (3) upper portion symmetry sets up fifth limiting plate (19), set up base (25) between fifth limiting plate (19), the intermediate position of base (25) upper surface sets up the shaping groove, shaping groove bilateral symmetry sets up briquetting (20), second clamp plate (27) with the shaping groove corresponds the setting, first clamp plate (15) with briquetting (20) correspond the setting.

2. The forming die for the short leg tube of the swivel chair as claimed in claim 1, wherein the bottom of the first pressing plate (15) near the forming groove and the upper part of the pressing block (20) far from the forming groove are inclined planes, and the inclined planes are parallel to each other in the matched state of the upper die (2) and the lower die (3).

3. The forming die for the short leg tube of the swivel chair as claimed in claim 1, wherein the forming slot is symmetrically provided with second sliding grooves (28) at both sides, the bottom of the pressing block (20) is provided with a sliding block (29), and the sliding block (29) is positioned inside the second sliding grooves (28).

4. The forming die for the short leg tube of the swivel chair as claimed in claim 1, wherein the distances between the lower surfaces of the die core (9), the first pressing plate (15) and the second pressing plate (27) and the lower surface of the top plate (4) are sorted from long to short into the die core (9), the first pressing plate (15) and the second pressing plate (27).

5. The forming die for the short leg tube of the swivel chair as claimed in claim 1, wherein the top plate (4) is symmetrically provided with a sleeve (5) at one side, the bottom plate (17) is symmetrically provided with a limit post (16) at the same side as the sleeve (5), and the sleeve (5) is sleeved on the end of the limit post (16) when the upper die (2) and the lower die (3) are clamped.

6. The forming die for the short leg tube of the swivel chair as claimed in claim 1, wherein an upper limit plate (10) is disposed at the bottom of the first limit plate (11) far from the cylinder (6), a lower limit plate (21) is disposed at the base (25), and the upper limit plate (10) is in full contact with the lower limit plate (21) when the upper die (2) and the lower die (3) are clamped.

7. The forming die for the short leg tube of the swivel chair as claimed in claim 1, wherein the number of the gas springs (22) is 2, and 2 groups of the gas springs (22) are symmetrically arranged above the sliding plate (26).

8. The swivel chair short leg pipe forming die as claimed in claim 1, wherein a slot (24) is formed in the surface of the base (25), the two ends of the slot (24) are symmetrically provided with the fixture blocks (18), the fifth limiting plate (19) is of an i-shaped structure, the lower portion of the fifth limiting plate (19) is inserted into the slot (24), and the fixture block (18) is clamped with the fifth limiting plate (19).

9. The forming die for the short leg tube of the swivel chair as claimed in claim 1, wherein a die handle (1) is arranged at the middle position of the upper part of the fourth limit plate (14), and the die handle (1) penetrates through the top plate (4).

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