Quick-release hand mold holder

Abstract

The utility model discloses a quick release hand die holder, which comprises a support and a mandrel, the upper end of the mandrel is arranged in the support, a spring cover, an inner pressure spring, a positioning locking disc, a hand die mounting seat, a positioning block and a pressing plate are sequentially arranged on the mandrel, the mandrel is sleeved with an outer pressure spring on the outer side of the inner pressure spring, and the positioning block comprises a bottom plate part, a pair of symmetrically arranged positioning slopes are arranged on the two sides of the bottom plate part in the width direction of the bottom plate part to form a positioning boss; a pair of locking insertion pieces are symmetrically arranged on the positioning locking disc and movably arranged in the hand mold mounting base in a penetrating mode, a positioning mounting cavity and a rotation stopping mounting hole are inwards formed in the bottom face of the hand mold mounting base in sequence, a pair of limiting slopes matched with the positioning bosses are arranged in the positioning mounting cavity, and a pair of locking grooves matched with the rotation stopping mounting hole are formed in the rotation stopping mounting hole. And a positioning placement groove is formed in the bottom surface of the hand mold mounting seat and at the outer side edge of the corresponding limiting slope. The quick-release hand mold base is mainly used for being installed on a glove production line with a hand mold base.

Description

TECHNICAL FIELD

[0001] The utility model relates to a glove production line, in particular to a quick-release hand mold seat for installing a hand mold on the glove production line. BACKGROUND

[0002] At present, the hand mold mounting seat of the traditional quick-release hand mold seat is usually welded by three stainless steel stamping parts of a positioning disc, a hand mold disc and a plug guide sleeve, which increases the material cost on the one hand, and on the other hand, the plug guide sleeve needs to be accurately aligned during welding to the positioning disc, which is time-consuming and laborious. In addition, the positioning locking disc in the traditional quick-release hand mold seat is composed of a split type structure of a positioning locking plate and a locking plug, and the locking plug is usually a stainless steel stamping part, which increases the material cost, and when assembling the quick-release hand mold seat, the locking plug needs to be installed on the positioning locking plate in advance, which increases the production cost. SUMMARY

[0003] The utility model solves the technical problem that a quick-release hand mold seat is provided, which simplifies the assembly process and reduces the material cost.

[0004] The utility model provides a technical scheme for solving the above technical problems: a quick-release hand mould base, comprising: a support, a mandrel provided in the support at an upper end thereof, and a spring cover, an inner compression spring, an outer compression spring, a positioning lock disc provided with a mounting through hole, a positioning block, a hand mould mounting base provided with a rotation-stopping mounting hole, and a pressing plate provided at a lower end of the mandrel; the positioning block, the hand mould mounting base, the positioning lock disc, the inner compression spring and the spring cover are sequentially sleeved on the mandrel from bottom to top, and the outer compression spring is sleeved on the outer side of the inner compression spring; the upper end of the inner compression spring and the outer compression spring abuts against the spring cover, the lower end of the outer compression spring abuts against the positioning lock disc, and the lower end of the inner compression spring passes through the mounting through hole of the positioning lock disc and abuts against the hand mould mounting base; the positioning lock disc comprises: a positioning lock disc, and a pair of lock insertion pieces are symmetrically arranged on the side of the positioning lock disc facing the hand mould mounting base; the positioning block can rotate on the mandrel and can slide on the mandrel, and the specific structure of the positioning block comprises: a bottom plate part close to the pressing plate, a pair of symmetrically arranged positioning slopes are arranged on the two sides of the bottom plate part in the width direction, a positioning boss is formed, a mounting through hole of the positioning block penetrates the top of the positioning boss and the bottom plate part, a rotation-stopping surface corresponding to the rotation-stopping mounting hole on the hand mould mounting base is arranged on the mandrel, the hand mould mounting base is movably arranged on the mandrel through the rotation-stopping mounting hole, so that the hand mould mounting base can only move up and down along the axial direction of the mandrel; the hand mould mounting base comprises: a positioning disc, a hand mould disc and an insertion piece guide sleeve, the positioning disc is arranged on the hand mould disc, a central rotation-stopping hole penetrating up and down is arranged on the positioning disc and the hand mould disc, forming a rotation-stopping mounting hole of the hand mould base, a pair of insertion sleeve mounting holes penetrating up and down and corresponding to the lock insertion pieces are further arranged on the positioning disc and the hand mould disc, a limiting edge is arranged at the top end of the insertion piece guide sleeve, a limiting clamping foot outwardly tilted is arranged on at least one side wall of the insertion piece guide sleeve in the upward direction, the insertion piece guide sleeve is inserted into the insertion sleeve mounting hole of the positioning disc from the outer side of the positioning disc and extends into the corresponding insertion sleeve mounting hole of the hand mould disc, so that the insertion piece guide sleeve is locked on the positioning disc, and the inner hole of the insertion piece guide sleeve serves as an insertion piece through hole for penetrating the lock insertion piece; a positioning installation cavity matched with the positioning boss on the positioning block is arranged on the bottom surface of the hand mould disc, i.e. the surface of the hand mould disc facing the positioning block, the rotation-stopping mounting hole is arranged at the bottom center of the positioning installation cavity, a pair of limiting slopes matched with the positioning boss are arranged in the positioning installation cavity, and a positioning resting groove matched with the top of the positioning boss of the positioning block is arranged on the outer side edge of the corresponding limiting slope on the bottom surface of the hand mould mounting base.

[0005] As a preferred scheme, in the quick-release hand mould base, the positioning lock disc is a nylon piece with an integrated structure.

[0006] As a preferred scheme, in the quick-release hand mold base, the positioning locking plate is provided with an annular installation groove around the mounting through hole on the back surface, which is matched with the outer compression spring; the positioning disc is provided with an annular installation pit around the central rotation-stopping hole, which is matched with the inner compression spring; the spring cover is provided with an outer compression spring chamber matched with the outer compression spring and an inner compression spring chamber protruding outward from the bottom wall of the outer compression spring chamber and matched with the inner compression spring, so that the two ends of the outer compression spring are arranged in the annular installation groove on the positioning locking plate and the outer compression spring chamber of the spring cover respectively, and the two ends of the inner compression spring are arranged in the annular installation pit on the positioning disc and the inner compression spring chamber of the spring cover respectively.

[0007] As a preferred scheme, in the quick-release hand mold base, the bottom plate of the positioning block is provided with a drag-reducing boss around the mounting through hole on the back surface.

[0008] As a preferred scheme, in the quick-release hand mold base, the bottom surface of the hand mold mounting seat is further provided with a hand mold mounting chamber, and the bottom wall of the hand mold mounting chamber is provided with at least one auxiliary positioning protrusion arranged circumferentially around the rotation-stopping mounting hole of the hand mold mounting seat.

[0009] As a preferred scheme, in the quick-release hand mold base, the top of the positioning boss is provided with an arc-shaped smooth transition surface, and the positioning resting groove is arc-shaped.

[0010] As a preferred scheme, in the quick-release hand mold base, the specific mounting mode of the pressing plate is that the lower end of the mandrel is stepped and includes a pressing plate mounting boss for mounting the pressing plate and a threaded segment for mounting a locking nut, at least one rotation-stopping surface is arranged on the pressing plate mounting boss, a rotation-stopping mounting hole matched with the pressing plate mounting boss is arranged on the pressing plate, the pressing plate is sleeved on the pressing plate mounting boss, and the locking nut is selected to be fastened on the threaded segment of the mandrel.

[0011] As a preferred scheme, in the quick-release hand mold base, a pin hole is arranged on the threaded segment of the mandrel outside the locking nut, and a split pin is arranged in the pin hole.

[0012] As a preferred scheme, in the quick-release hand mold base, the support includes an L-shaped hanging arm, one end of the L-shaped hanging arm is provided with a connecting sleeve, a wear-resistant bushing is sleeved in the connecting sleeve, and the other end of the L-shaped hanging arm is provided with a support seat connected with the corresponding end of the mandrel.

[0013] As a preferred solution, in the quick-release hand mold base, the mandrel is movably arranged in the support base through at least two bearings and a spacer sleeve between every two adjacent bearings, and the arrangement is as follows: the support base is internally provided with a mounting hole on the bottom surface, the upper part of the mandrel is provided with an upper annular clamping groove on the upper side of the uppermost bearing and the lower side of the lowermost bearing, respectively, the upper annular clamping groove is provided with a clamping spring for the shaft, the mounting hole of the support base is provided with an upper annular clamping groove near the lower end, the upper annular clamping groove is provided with a clamping spring for the hole, and the outer ring of the lowermost bearing abuts against the clamping spring for the hole.

[0014] The hand mold base has the advantages that:

[0015] 1. The hand mold mounting seat is assembled more conveniently and time-savingly, the assembly efficiency is greatly improved, and the production cost is reduced.

[0016] 2. The positioning locking disc is provided in an integrated structure, i.e., the positioning locking plate and the locking insert are provided as a nylon component in an integrated structure, so that the material cost is reduced.

[0017] 3. The positioning locking plate is provided with an annular arrangement groove matched with the outer compression spring around the mounting through hole, and the positioning disc is provided with an annular arrangement pit matched with the inner compression spring around the central rotation-stopping hole; the spring cover is provided with an outer compression spring chamber matched with the outer compression spring and an inner compression spring chamber matched with the inner compression spring, which is protruded outward from the bottom wall of the outer compression spring chamber, so that the two ends of the outer compression spring are arranged in the annular arrangement groove on the positioning locking plate and the outer compression spring chamber of the spring cover, respectively, the two ends of the inner compression spring are arranged in the annular arrangement pit on the positioning disc and the inner compression spring chamber of the spring cover, respectively, and the inner and outer compression springs are more stable during work.

[0018] 4. The top of the positioning boss of the positioning block is provided as an arc-shaped smooth transition surface, and the positioning resting groove is provided as an arc shape, so that the rotation of the positioning block is more smooth. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a structural schematic view of the quick-release hand mold base.

[0020] Figure 2 is Figure 1 A-A sectional view structural schematic view of the quick-release hand mold base.

[0021] Figure 3It is the explosion structure schematic view of the quick-release hand mold base.

[0022] Figure 4 It is a structure schematic view of one perspective of the mandrel.

[0023] Figure 5 It is Figure 4 the right view structure schematic view.

[0024] Figure 6 It is Figure 5 the enlarged structure schematic view of the upward direction.

[0025] Figure 7 It is a structure schematic view of one perspective of the positioning disc.

[0026] Figure 8 It is a three-dimensional structure schematic view of the positioning disc.

[0027] Figure 9 It is Figure 7 the B-B section structure schematic view.

[0028] Figure 10 It is a three-dimensional structure schematic view of the clamping guide sleeve.

[0029] Figure 11 It is a three-dimensional structure schematic view of one perspective of the positioning block.

[0030] Figure 12 It is a three-dimensional structure schematic view of another perspective of the positioning block.

[0031] Figure 13 It is a three-dimensional structure schematic view of another perspective of the hand mold disc.

[0032] Figure 14 It is a three-dimensional structure schematic view of another perspective of the spring cover.

[0033] Figure 15 It is a three-dimensional structure schematic view of the hand mold.

[0034] Figures 1 to 15The reference signs in the drawings are respectively: 1, locking nut, 2, spring washer, 3, pressing plate, 31, rotation-stopping mounting hole, 311, limiting surface, 4, positioning block, 40, bottom plate part, 400, mounting via hole, 401, flat end, 41, positioning boss, 411, positioning slope, 412, arc-shaped smooth transition surface, 42, annular drag-reducing boss, 5, hand mold mounting seat, 51, positioning disc, 511, central rotation-stopping hole, 5111, rotation-stopping surface, 513, bush mounting hole, 514, annular arrangement pit, 52, hand mold disc, 520, bottom surface, 5201, annular edge, 5202, auxiliary positioning protruding part, 5203, central rotation-stopping hole, 521, limiting slope, 522, arc-shaped positioning resting groove, 523, bush mounting hole, 530, limiting edge, 531, side wall, 532, end wall, 535, limiting clamping leg, 6, positioning locking disc, 60, positioning locking plate, 600, mounting via hole, 61, locking tab, 64, limiting arrangement groove, 70, spring cover, 700, mounting via hole, 701, inner compression spring chamber, 702, outer compression spring chamber, 71, inner compression spring, 72, outer compression spring, 8, mandrel, 803, first shaft annular clamping groove, 805, rotation-stopping surface, 806, second shaft annular clamping groove, 81, threaded segment, 82, pressing plate mounting boss, 821, rotation-stopping surface, 83, spacer sleeve, 84, bearing, 85, first shaft clamping spring, 86, second shaft clamping spring, 9, bracket, 91, support seat, 911, mounting hole, 92, L-shaped hanging arm, 921, connecting sleeve, 922, wear-resistant bushing, 93, hole clamping spring, 18, hand mold, 181, opening, 182, inner cavity. DETAILED DESCRIPTION

[0035] The specific embodiments of the quick-release hand mold seat described in the detailed description of the utility model will be described below in combination with the accompanying drawings. Figures 1 to 15 The specific embodiments of the quick-release hand mold seat described in the detailed description of the utility model will be described below in combination with the accompanying drawings.

[0036] As Figures 1 to 3As shown, the quick-release hand mold base comprises: a bracket 9, a mandrel 8, a spring cover 70, an inner compression spring 71, an outer compression spring 72, a positioning locking disc 6, a hand mold mounting seat 5, a positioning block 4, a pressing plate 3, a spring pad 2 and a locking nut 1, the positioning block 4, the hand mold mounting seat 5, the positioning locking disc 6, the inner compression spring 71 and the spring cover 70 are sequentially sleeved on the mandrel 8 from bottom to top, and the outer compression spring 72 is sleeved on the outer side of the inner compression spring 71; the bracket 9 comprises: an L-shaped hanging arm 92, one end of the L-shaped hanging arm 92 is provided with a connecting sleeve 921, a wear-resistant bushing 922 is sleeved in the connecting sleeve 921, the other end of the L-shaped hanging arm 92 is provided with a support seat 91 connected with the corresponding end (the upper end) of the mandrel 8, the upper end of the mandrel 8 is movably arranged in the support seat 91 through a pair of bearings 84 and a spacing sleeve 83 located between the pair of bearings 84, and the specific mounting mode is that the support seat 91 is provided with a mounting hole 911 inwardly formed on the bottom surface thereof, the upper end of the mandrel 8 is provided with a first shaft upper annular clamping groove 803 on the upper side of the pair of bearings 84 and a second shaft upper annular clamping groove 806 on the lower side of the pair of bearings 84, the first shaft upper annular clamping groove 803 on the upper side is provided with a first shaft clamping spring 85, the second shaft upper annular clamping groove 806 on the lower side is provided with a second shaft clamping spring 86, the mounting hole 911 of the support seat 91 is provided with a hole annular clamping groove near the lower end thereof, the hole annular clamping groove is provided with a hole clamping spring 93, and the outer ring of the lowermost one of the bearings 84 abuts against the hole clamping spring 93 (which belongs to the conventional technology in the field and will not be described here);the specific structure of the positioning locking disc comprises: a positioning locking plate 60, a pair of locking tabs 61 are symmetrically arranged on the side of the positioning locking plate 60 facing the hand mold mounting seat, and a mounting through hole 600 is formed in the positioning locking plate 60;as Figure 11 and Figure 12 As shown, the mounting through hole 400 is formed in the positioning block 4 and matched with the mandrel 8, so that the positioning block 4 can rotate and slide on the mandrel 8, and the specific structure of the positioning block 4 comprises: a bottom plate part 40 close to the pressing plate 3, the two ends of the bottom plate part 40 in the width direction are flat ends 401 matched with the locking tabs 61 (the end faces are flat), a pair of symmetrically arranged positioning slopes 411 are arranged on the two sides of the bottom plate part 40 in the width direction, a positioning boss 41 is formed, the top of the positioning boss 41, i.e. the top of the pair of positioning slopes 411 is provided with an arc-shaped smooth transition surface 412, the mounting through hole 400 of the positioning block 4 penetrates the top of the positioning boss 41 and the bottom plate part 40, and the bottom plate part 40 is provided with an annular drag-reducing boss 42 around the mounting through hole 400 on the back (see Figure 12 As shown);the hand mold mounting seat 5 comprises: a positioning disc 51, a hand mold disc 52 and a pair of tab guide sleeves 53 made of nylon material, which are punched from a stainless steel plate, and Figure 10As shown, the insert guide sleeve 53 includes a rectangular sleeve surrounded by a pair of oppositely arranged side walls 531 and a pair of oppositely arranged end walls 532, a limiting edge 530 is arranged at the top end of the insert guide sleeve 53, and a limiting clamping leg 535 is arranged upwardly on one side wall 531 of the insert guide sleeve 53; as Figures 7 to 9 and Figure 13 As shown, the positioning disc 51 is arranged on the hand mold disc 52 by welding, the positioning disc 51 is provided with a central rotation-stopping hole 511 (a rotation-stopping surface 5111 is arranged on the hole wall of the central rotation-stopping hole 511), the hand mold disc 52 is provided with a central rotation-stopping hole 5203 corresponding to the central rotation-stopping hole 511 of the positioning disc 51, the central rotation-stopping hole 511 of the positioning disc 51 and the central rotation-stopping hole 5203 of the hand mold disc 52 are through-penetrating and form a rotation-stopping mounting hole of a hand mold mounting seat, the positioning disc 51 and the hand mold disc 52 are respectively provided with insert sleeve mounting holes 513 and 523 corresponding to the insert guide sleeve 53, the hand mold disc 52 is provided with a positioning mounting cavity on the bottom surface 520 thereof facing the positioning block 4, a pair of limiting slopes 521 matched with the positioning bosses 41 of the positioning block 4 are arranged in the positioning mounting cavity, the central rotation-stopping hole 5203 is arranged at the bottom center of the positioning mounting cavity, and the bottom surface 520 of the hand mold disc 52 is provided with arc-shaped positioning resting grooves 522 matched with the top portions of the positioning bosses 41 of the positioning block 4 at the outer side edges of the corresponding limiting slopes 521; the edge 5201 of the bottom surface 520 of the hand mold disc 52 is also provided with an annular edge 5201 to form a hand mold mounting chamber, and four auxiliary positioning protruding portions 5202 are arranged on the bottom wall of the hand mold mounting chamber, i.e., the bottom surface 520 of the hand mold disc 52, and are arranged circumferentially around the central rotation-stopping hole 5203, the insert guide sleeve 53 is inserted into the insert sleeve mounting hole 513 of the positioning disc 51 from the outer side of the positioning disc 51 and extends into the corresponding insert sleeve mounting hole 523 of the hand mold disc 52, so that the insert guide sleeve 53 is locked on the positioning disc 51, the inner hole of the insert guide sleeve 53 serves as an insert hole for the locking insert 61, and the locking insert 61 is movably arranged in the corresponding insert guide sleeve 53; the positioning locking plate 60 is provided with an annular arrangement groove 64 matched with the outer compression spring 72 around the mounting hole 600 thereof, and the positioning disc 51 is provided with an annular arrangement pit 514 matched with the inner compression spring 71 around the central rotation-stopping hole 511; the spring cover 70 is provided with an outer compression spring chamber 702 (see Figure 14The outer compression spring 72 is arranged in the outer compression spring chamber 702 of the spring cover 70 and the annular installation groove 64 of the positioning locking plate 60, and the inner compression spring 71 is arranged in the inner compression spring chamber 701 of the spring cover 70 and the annular installation pit 514 of the positioning disc 51. Figure 4 And Figure 5 The hand mold mounting seat 5 is movably arranged on the rotation stopping section of the mandrel 8 through the center rotation stopping hole 511 of the positioning disc 51 and the center rotation stopping hole 5203 of the hand mold disc 52, so that the hand mold mounting seat 5 can only move up and down along the axial direction of the mandrel 8. Figure 6 The lower end of the mandrel 8 is in a stepped shape, including a pressing plate installation boss 82 for installing the pressing plate 3 and a threaded section 81 for installing the locking nut 1, and the rotation stopping surface 821 is arranged on the pressing plate installation boss 82.

[0037] In actual application, the threaded section 81 can also be provided with a pin hole outside the locking nut 1, and an open pin is inserted into the pin hole.

[0038] The working principle of the quick-release hand mold seat is as follows: during installation, the bottom plate part 40 of the pressing plate 3 and the positioning block 4 are parallel to each other (overlapping), at this time, only the hand mold mounting seat 5 needs to be moved along the axial direction of the mandrel 8 to the position where the hand mold mounting seat 5 is in contact with the pressing plate 3 and the positioning block 4. Figure 15The opening 181 of the hollow hand mold 18 is aligned with the forward pushing of the pressing plate 3, during the pushing process, the bottom plate part 40 on the pressing plate 3 and the positioning block 4 are inserted into the opening 181 of the hand mold 18, when pushed to the position, the pressing plate 3 passes through the opening 181 and enters into the inner cavity 182 of the hand mold 18, the hand mold 18 is rotated, so that the positioning block 4 in the opening 181 is rotated with the hand mold 18, the positioning boss 41 of the positioning block 4 is gradually pushed along the limiting slope 521 on both sides of the positioning installation cavity of the hand mold mounting base 5, and finally falls into the positioning installation cavity, at this time, the bottom plate part 40 on the pressing plate 3 and the positioning block 4 are perpendicular to each other, the positioning locking disc 6 is moved to the direction of the hand mold mounting base 5 under the action of the outer pressing spring 72, so that the pair of locking tabs 61 of the positioning locking disc 6 is inserted into the opening 181 of the hand mold 18 and is blocked on the corresponding flat end 401 of the positioning block 4, at this time, the hand mold 18 is positioned on the hand mold mounting base 5; when disassembling, the positioning locking disc 6 is only pulled up, so that the locking tab 61 is separated from the opening 181 of the hand mold 18, then the hand mold 18 is rotated in the reverse direction, so that the positioning boss 41 of the positioning block 4 is separated from the positioning installation cavity of the hand disc 52, and finally the top of the positioning boss 41 is placed on the arc-shaped positioning placing groove 522 of the hand disc 52, at this time, the hand mold 18 can be taken off from the hand mold mounting base 5.

[0039] In conclusion, the above is only a preferred embodiment of the utility model, and is not used to limit the range of the utility model, and any equivalent change and modification made according to the shape, structure, feature and spirit of the utility model claim range should be included in the claim range of the utility model.

Claims

1. A quick release hand form block comprising: The support, the mandrel with its upper end arranged in the support, the spring cover, the inner compression spring, the outer compression spring, the positioning locking disc with mounting through holes, the hand mold mounting seat with rotation stopping mounting holes and the pressing plate arranged at the lower end of the mandrel; the positioning block, the hand mold mounting seat, the positioning locking disc, the inner compression spring and the spring cover are sequentially sleeved on the mandrel from bottom to top, and the outer compression spring is sleeved outside the inner compression spring; the upper end of the inner compression spring and the upper end of the outer compression spring abut against the spring cover, the lower end of the outer compression spring abuts against the positioning locking disc, and the lower end of the inner compression spring abuts against the hand mold mounting seat through the mounting through holes of the positioning locking disc; characterized in that the positioning locking disc comprises: a positioning locking plate, and a pair of locking tabs are symmetrically arranged on the side of the positioning locking plate facing the hand mold mounting seat; the positioning block can rotate on the mandrel and can slide on the mandrel, and the positioning block comprises: a bottom plate part close to the pressing plate, a pair of symmetrically arranged positioning slopes are arranged on both sides of the bottom plate part in the width direction, and a positioning boss is formed, and a mounting through hole of the positioning block penetrates the top of the positioning boss and the bottom plate part; a rotation stopping surface corresponding to the rotation stopping mounting hole on the hand mold mounting seat is arranged on the mandrel, the hand mold mounting seat is movably arranged on the mandrel through the rotation stopping mounting hole, so that the hand mold mounting seat can only move up and down along the axial direction of the mandrel; the hand mold mounting seat comprises: a positioning disc, a hand mold disc and a tab guide sleeve, the positioning disc is arranged on the hand mold disc, a central rotation stopping hole penetrating up and down is arranged on the positioning disc and the hand mold disc, forming the rotation stopping mounting hole of the hand mold seat, and a pair of tab sleeve mounting holes penetrating up and down and corresponding to the locking tabs are further arranged on the positioning disc and the hand mold disc, the tab guide sleeve is arranged on the outer side of the positioning disc and inserted into the tab sleeve mounting hole of the positioning disc, and extends into the corresponding tab sleeve mounting hole of the hand mold disc, so that the tab guide sleeve is locked on the positioning disc, and the inner hole of the tab guide sleeve serves as a tab through hole for penetrating the locking tab; the hand mold disc is arranged with a positioning installation cavity corresponding to the positioning boss on the positioning block on the side facing the positioning block, i.e., the bottom surface of the hand mold disc, the rotation stopping mounting hole is arranged at the bottom center of the positioning installation cavity, a pair of limiting slopes corresponding to the positioning boss are arranged in the positioning installation cavity, and a positioning resting groove corresponding to the top of the positioning boss of the positioning block is arranged on the outer side edge of the corresponding limiting slope on the bottom surface of the hand mold mounting seat.

2. A quick release hand mold according to claim 1, wherein, The positioning locking disc is a nylon piece with an integral structure.

3. A quick release hand mold according to claim 1, wherein, The positioning locking plate is provided with an annular setting groove around the mounting through hole and matched with the outer compression spring, and the positioning disc is provided with an annular setting pit around the central rotation stopping hole and matched with the inner compression spring; the spring cover is provided with an outer compression spring chamber matched with the outer compression spring and an inner compression spring chamber protruding outward from the bottom wall of the outer compression spring chamber and matched with the inner compression spring, so that the two ends of the outer compression spring are arranged in the annular setting groove on the positioning locking plate and the outer compression spring chamber of the spring cover respectively, and the two ends of the inner compression spring are arranged in the annular setting pit on the positioning disc and the inner compression spring chamber of the spring cover respectively.

4. A quick release hand mold according to claim 1, wherein, The bottom plate part of the positioning block is provided with a resistance reduction boss around the mounting through hole on the back surface.

5. A quick release hand mold according to claim 1, wherein, The bottom surface of the hand mold mounting seat is further provided with a hand mold mounting chamber, and the bottom wall of the hand mold mounting chamber is provided with at least one auxiliary positioning protruding part arranged in a circle with the rotation stopping mounting hole of the hand mold mounting seat as the center.

6. A quick release hand mold according to claim 1, wherein, The top of the positioning boss is provided with an arc-shaped smooth transition surface, and the positioning resting groove is arc-shaped.

7. A quick release hand mold according to claim 1, wherein, The specific mounting mode of the pressing plate is that the lower end of the mandrel is in a stepped shape and includes a pressing plate mounting boss for mounting the pressing plate and a threaded segment for mounting a locking nut, at least one rotation stopping surface is arranged on the pressing plate mounting boss, a rotation stopping mounting hole matched with the pressing plate mounting boss is arranged on the pressing plate, the pressing plate is sleeved on the pressing plate mounting boss, and the locking nut is fastened on the threaded segment of the mandrel.

8. A quick release hand mold according to claim 7, wherein, A pin hole is arranged on the threaded segment of the mandrel outside the locking nut, and a split pin is arranged in the pin hole.

9. A quick release hand mould carrier according to any one of claims 1 to 8, wherein, The support includes an L-shaped hanging arm, one end of the L-shaped hanging arm is provided with a connecting sleeve, a wear-resistant bushing is sleeved in the connecting sleeve, and the other end of the L-shaped hanging arm is provided with a supporting seat connected with the corresponding end of the mandrel.

10. A quick release hand mold according to claim 9, wherein, The mandrel is movably arranged in the supporting seat through at least two bearings and a spacing sleeve arranged between every two adjacent bearings, and the specific arrangement mode is that the supporting seat is provided with a mounting hole inwardly arranged on the bottom surface thereof, an upper annular clamping groove is arranged in the upper side of the uppermost bearing and the lower side of the lowermost bearing of the upper part of the mandrel respectively, a shaft clamping spring is arranged in the upper annular clamping groove, an upper annular clamping groove is arranged in the mounting hole of the supporting seat close to the lower end thereof, a hole clamping spring is arranged in the upper annular clamping groove, and the outer ring of the lowermost bearing abuts against the hole clamping spring.

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