CN220850273U - High-precision multi-pressure head equal-pressure press-fitting device - Google Patents

Abstract

The utility model discloses a high-precision multi-pressure head equal-pressure press-fitting device, which comprises: roof, lie in roof upper portion and be used for driving the roof straight line drive who reciprocates, lie in the pressure head subassembly of roof lower part, pressure head subassembly includes: the top of the side plate is fixed with the top plate, one side surface of the side plate is a pressure head mounting surface, the number of the pressure head units is n, and n is a natural number greater than 2; and n sets of ram units are arranged on the ram mounting surface at intervals, wherein the ram units comprise: guide rail, guide block, pressure head piece and spring, guide rail fixed mounting is in one side of curb plate, and the guide block slides with the guide rail and links to each other, and the guide rail constitutes the slip guide structure of vertical setting with the guide block, and the opposite side and the pressure head piece of guide block are fixed to link to each other. Compared with the prior art, the utility model can press-fit a plurality of workpieces simultaneously, has the advantages of high press-fit precision and balanced press-fit pressure, and has the advantages of compact arrangement structure, reasonable layout and small volume.

Description

High-precision multi-pressure head equal-pressure press-fitting device

Technical Field

The utility model belongs to the technical field of tool clamps, and particularly relates to a high-precision multi-pressure head equal-pressure press-fitting device.

Background

When the product is processed, sometimes one workpiece is required to be glued on the other workpiece (for example, when the magnet assembly is produced, a metal sheet is required to be glued at the end part of the magnet body), and a certain pressure is applied to the glued product by utilizing the press-fitting device so as to ensure that the glue is uniform, and meanwhile, air between the two workpieces is discharged, so that a plurality of workpieces are tightly attached, and the press-fitting device is pressed and kept for a certain time and then withdrawn, so that stable bonding between the workpieces can be realized.

The press-fitting device in the prior art is of a simple telescopic rod press-fitting structure, and press-fitting is achieved by linearly driving the pressure head to move.

The prior art has the defects that when more workpieces are required to be pressed simultaneously and the pressing precision requirement is high, the pressing force of the pressing device on each workpiece is required to be the same, and the moving precision of each pressing head is high. The press-fitting device in the prior art has lower precision, unbalanced downward pressure and can not meet the requirements.

Therefore, it is necessary to provide a new high-precision multi-press-head equal-pressure press-fitting device to solve the above-mentioned technical problems.

Disclosure of utility model

First, the technical problem to be solved

Based on the above, the utility model provides a high-precision multi-pressure head equal-pressure press-fitting device, which solves the problem that the existing press-fitting device cannot meet the requirements of high-precision equal pressure.

(II) technical scheme

In order to solve the technical problems, the utility model provides a high-precision multi-pressure head equal-pressure press-fitting device, which comprises: the roof, be located roof upper portion and be used for driving the roof reciprocates the linear drive, be located the pressure head subassembly of roof lower part, the pressure head subassembly includes: the top of the side plate is fixed with the top plate, one side surface of the side plate is a pressure head mounting surface, the number of the pressure head units is n, and n is a natural number greater than 2; and n sets of the ram units are arranged on the ram mounting surface at intervals, wherein the ram units comprise: guide rail, guide block, pressure head piece and spring, guide rail fixed mounting in one side of curb plate, the guide block links to each other with the guide rail is slided, just the guide rail and the guide block constitute the slip guide structure of vertical setting, the opposite side and the pressure head piece of guide block are fixed to link to each other, the bottom of curb plate is equipped with and is used for preventing the guide block deviate from downwards the spacing step of guide rail, the both ends of spring respectively with pressure head piece and roof butt.

Preferably, a spring groove formed by recessing is formed in the top of the pressure head block, the lower portion of the spring is accommodated in the spring groove, and the lower end of the spring is abutted to the bottom of the spring groove.

Preferably, the two sets of pressure head assemblies are arranged at intervals and symmetrically arranged on two sides of the top plate, and pressure head mounting surfaces of two side plates in the two sets of pressure head assemblies are oppositely arranged; the top plate and the two side plates jointly enclose a containing cavity with a downward opening, and the upper parts of all the pressure head units are positioned in the containing cavity.

Preferably, n first mounting grooves are recessed in the mounting surface of the pressure head, a first threaded hole is formed in the bottom of each first mounting groove, one guide rail is mounted in each first mounting groove, a first countersink is formed in the position, corresponding to the first threaded hole, of the guide rail, and the guide rail is fixed to the side plate by penetrating through the first countersink and extending into the first threaded hole through a threaded connecting piece.

Preferably, the two sides of the guide rail in the thickness direction are respectively a mounting side and a guiding side, the mounting side is accommodated in the first mounting groove, the guiding side extends out of the first mounting groove, the guiding block is sleeved outside the guiding side, one side surface of the guiding block, which is close to the side plate, is abutted to the pressure head mounting surface, and the guiding block is connected with the guiding side in a sliding manner; the guide block is characterized in that two ends of the width direction of the guide side are respectively provided with an arc-shaped groove formed by recessing, two sides of the guide block are provided with arc-shaped protrusions matched with the arc-shaped grooves, and the arc-shaped protrusions are arranged in the arc-shaped grooves.

Preferably, two ends of the lower part of the top plate are respectively provided with a concave mounting step, the tops of the two side plates are respectively abutted with the two mounting steps, the other side surface of the side plate is an outer side alignment surface, and the outer side alignment surface is aligned with the side surface of the top plate; the top plate and the two side plates jointly form a mounting frame, and the outer corners of the mounting frame are of round corner transition structures; the pressure head is characterized in that a convex reinforcing block is further arranged on the pressure head mounting surface and positioned on two sides of the guide block.

Preferably, the pressure head piece is close to one side of guide block is equipped with the sunken second mounting groove that forms, the pressure head piece keep away from one side of guide block be equipped with the second countersink of second mounting groove intercommunication, the guide block keep away from one side of guide rail accept in the second mounting groove, still be equipped with on the guide block with the second screw hole that the second countersink corresponds, run through threaded connection the second countersink just stretches into the second screw hole, realize the fixed link to each other of pressure head piece and guide block.

Preferably, the bottom surface of the pressure head block is provided with a raised pressure block, the bottom surface of the pressure block is a pressing operation surface, and the shape of the pressing operation surface is matched with the shape of a workpiece to be pressed; the area of the pressing operation surface is smaller than that of the bottom surface of the pressure head block.

Preferably, the two ends of the top plate are respectively provided with a third countersink, the top of the side plate is provided with a third threaded hole matched with the third countersink, and the side plate penetrates through the third countersink and stretches into the third threaded hole through a threaded connecting piece to realize the fixed connection of the top plate and the side plate.

Preferably, the linear driving is an air cylinder or an oil cylinder or an electric cylinder, and the spring is a compression spring.

(III) beneficial effects

Compared with the prior art, the high-precision multi-pressure head equal-pressure press-fitting device can press-fit a plurality of workpieces simultaneously, has the advantages of high press-fitting precision and balanced press-fitting pressure, and also has the advantages of compact arrangement structure, reasonable layout and small volume.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of one direction of the present utility model;

FIG. 2 is a schematic perspective view of another aspect of the present utility model;

FIG. 3 is a front cross-sectional view of the present utility model;

FIG. 4 is a left side cutaway view of the present utility model;

FIG. 5 is a schematic bottom view of the present utility model;

FIG. 6 is an enlarged view of a portion of FIG. 5 at A;

fig. 7 shows the present utility model: a schematic perspective view of the side plate;

fig. 8 shows the present utility model: a first perspective view of the top plate;

fig. 9 shows the present utility model: a second perspective view of the top plate;

fig. 10 shows the present utility model: a first perspective view of the press fitting member;

fig. 11 shows the present utility model: a second perspective view of the press fitting member;

fig. 12 shows the present utility model: a first perspective view of the sliding guide structure;

Fig. 13 shows the present utility model: and a second perspective view of the sliding guide structure.

Reference numerals illustrate:

1. A side plate; 2. a guide rail; 3. a guide block; 4. a ram block; 5. a spring; 6. a housing chamber; 7. a top plate; 8. briquetting; 9. driving linearly;

11. a pressure head mounting surface; 12. a limit step; 13. a first mounting groove; 14. a first threaded hole; 15. an outer alignment surface; 16. a third threaded hole; 17. an enhancement block;

21. A mounting side; 22. a guide side; 23. an arc-shaped groove; 24. a first counterbore;

31. a second threaded hole; 32. arc-shaped bulges;

41. a spring groove; 42. a second mounting groove; 43. a second counterbore;

71. mounting steps; 72. a third counterbore;

81. Pressing down the working surface.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the utility model, which is therefore not limited to the specific embodiments disclosed below.

The high precision multi-press head equal pressure press-fitting apparatus of the present utility model will be further described with reference to fig. 1 to 13.

Referring to fig. 1-7, the utility model discloses a high-precision multi-pressure head equal-pressure press-fitting device, which comprises: the roof 7, be located roof 7 upper portion and be used for driving roof 7 the straight line drive 9 of reciprocate, be located the pressure head subassembly of roof 7 lower part, the pressure head subassembly includes: the device comprises a side plate 1 and a pressure head unit, wherein the top of the side plate 1 is fixed with a top plate 7, one side surface of the side plate 1 is a pressure head mounting surface 11, the number of the pressure head units is n, and n is a natural number greater than 2; and n sets of ram units are arranged on the ram mounting surface 11 at intervals, wherein the ram units comprise: guide rail 2, guide block 3, pressure head piece 4 and spring 5, guide rail 2 fixed mounting is in one side of curb plate 1, and one side of guide block 3 links to each other with guide rail 2 slip, and guide rail 2 and guide block 3 constitute the slip guide structure of vertical setting, and the opposite side of guide block 3 links to each other with pressure head piece 4 is fixed, and the bottom of curb plate 1 is equipped with the spacing step 12 that is used for preventing guide block 3 to deviate from guide rail 2 downwards, and the both ends of spring 5 respectively with pressure head piece 4 and roof 7 butt.

More specifically, the high-precision multi-press-head equal-pressure press-fitting device includes a press-fitting state and a release state, when the high-precision multi-press-head equal-pressure press-fitting device is in the press-fitting state, the spring 5 is in a contracted state, a gap is provided between the guide block 3 and the limit step 12, when the high-precision multi-press-head equal-pressure press-fitting device is in the release state, the spring 5 is in an extended state, and the guide block 3 abuts against the limit step 12. When the guide block 3 slides, the upper limiting piece is a top plate 7, and the lower limiting piece is a limiting step 12.

In this embodiment, the pressing head block 4 is used for contacting with a workpiece to be pressed, and pressing the workpiece, for example, when the workpiece to be pressed is a magnet assembly, the magnet assembly includes a magnet body, and a first metal sheet and a second metal sheet adhered to the upper and lower parts of the magnet body respectively. When in use, the magnet assemblies are arranged below the high-precision multi-pressure head equal-pressure press-fitting device, and a set of magnet assemblies is arranged right below each pressure head block 4. In the specific implementation, the side part of the magnet assembly can be limited in advance.

The linear drive 9 is used for providing linear telescopic power and is connected with the top plate 7 so as to drive the top plate 7 to stretch up and down. When the linear drive 9 stretches out downwards, the driving top plate 7 moves downwards with the whole pressing head assembly, after the pressing head blocks 4 contact the workpiece to be pressed, the springs 5 start to shrink, after the pressing head blocks reach the preset pressing position, the linear drive 9 stops acting, the top of each pressing head block 4 is provided with one spring 5, the same pressing force acting on each workpiece to be pressed can be achieved under the action of the springs 5, the equality of downward pressure is guaranteed, and equal-pressure pressing is achieved. And when the pressure head block 4 moves up and down, the sliding guide structure always guides the movement of the pressure head block 4, so that the up and down movement precision of each pressure head block 4 is ensured, and the pressure head block 4 can be accurately aligned with the lower workpiece to be pressed. When the telescopic drive is contracted upwards, the pressure head block 4 returns to the original position under the action of the elastic force of the spring 5.

According to the embodiment of the utility model, the top of the pressure head block 4 is provided with a recessed spring groove 41, the lower part of the spring 5 is accommodated in the spring groove 41, and the lower end of the spring 5 is abutted with the bottom of the spring groove 41.

In this embodiment, the spring groove 41 is used for guiding the expansion and contraction of the spring 5 to prevent the spring 5 from being unstable, and the spring groove 41 accommodates the lower portion of the spring 5, and combines the top limiting function of the top plate 7 to limit the spring 5, thereby ensuring that the spring 5 moves within a predetermined range.

According to the specific embodiment of the utility model, the two sets of pressure head assemblies are arranged at intervals and symmetrically on two sides of the top plate 7, and the pressure head mounting surfaces 11 of the two side plates 1 in the two sets of pressure head assemblies are oppositely arranged; the top plate 7 and the two side plates 1 jointly enclose a containing cavity 6 with a downward opening, and the upper parts of all the pressure head units are positioned in the containing cavity 6.

In this embodiment, roof 7, two curb plates 1 constitute lower part open-ended mounting bracket jointly, and the mounting bracket adopts split structure, and the installation of the pressure head unit of being convenient for can assemble two sets of pressure head subassemblies earlier respectively during the installation, again installs roof 7. Through setting up two sets of ram subassemblies, can increase the quantity of ram piece 4 once, so the one-time press-fit action can press the work piece of one time quantity more, work piece press-fit efficiency has been improved greatly, and two sets of ram subassemblies are the structure of relative setting, ram installation face 11 inwards for the subassembly that needs the action (guide block 3, ram piece 4 and spring 5) all are located between two curb plates 1, the lower part opening of acceping chamber 6 is used for ram piece 4 to stretch out and draw back in order to act on the work piece that waits to press-fit. With this structure, the overall safety performance of the present utility model can be improved.

According to the specific embodiment of the utility model, n first mounting grooves 13 are recessed on the pressure head mounting surface 11, a first threaded hole 14 is formed in the bottom of each first mounting groove 13, one guide rail 2 is mounted in each first mounting groove 13, a first countersink 24 is formed in the position, corresponding to the first threaded hole 14, of the guide rail 2, and the guide rail 2 is fixed on the side plate 1 by penetrating the first countersink 24 through a threaded connector and extending into the first threaded hole 14.

In this embodiment, the first mounting groove 13 is provided to facilitate quick positioning and mounting of the guide rail 2, and after the first mounting groove 13 is provided, one side of the guide rail 2 in the thickness direction is accommodated in the first mounting groove 13, so that the space occupied by the sliding guide structure can be reduced, and the structure is more compact. When the pressure head assembly is installed, the guide rail 2 is fixedly installed at the first installation groove 13 by utilizing the countersunk head screw, the head of the countersunk head screw is completely accommodated in the countersunk head hole, enough space is provided for the installation and sliding of the guide block 3, then the guide block 3 is sleeved downwards from the top side of the length direction of the guide rail 2, and the lower part of the guide block 3 is limited by the limiting step 12.

According to the specific embodiment of the utility model, the two sides of the guide rail 2 in the thickness direction are respectively provided with a mounting side 21 and a guiding side 22, the mounting side 21 is accommodated in the first mounting groove 13, the guiding side 22 extends out of the first mounting groove 13, the guide block 3 is sleeved outside the guiding side 22, one side surface, close to the side plate 1, of the guide block 3 is abutted against the pressure head mounting surface 11, and the guide block 3 is connected with the guiding side 22 in a sliding manner; the two ends of the guiding side 22 in the width direction are respectively provided with an arc-shaped groove 23 formed by recessing, the two sides of the guiding block 3 are provided with arc-shaped protrusions 32 matched with the arc-shaped grooves 23, and the arc-shaped protrusions 32 are arranged in the arc-shaped grooves 23.

In this embodiment, the installation side 21 is used for cooperating with the first mounting groove 13, realizes quick location and installation of guide rail 2, and the guide side 22 is used for cooperating with guide block 3, forms sliding structure, and the protruding 32 of arcuation cooperates with arcuation recess 23, on the one hand can further improve the direction precision of guide rail 2, on the other hand, after the installation is accomplished, forms radial limit structure, can avoid guide block 3 radially to deviate from guide rail 2 along guide rail 2.

Referring to fig. 7-8, according to the embodiment of the present utility model, two ends of the lower portion of the top plate 7 are respectively provided with a concave mounting step 71, the tops of the two side plates 1 are respectively abutted with the two mounting steps 71, the other side surface of the side plate 1 is an outer alignment surface 15, and the outer alignment surface 15 is aligned with the side surface of the top plate 7; the top plate 7 and the two side plates 1 together form a mounting frame, and the outer corners of the mounting frame are of round corner transition structures; the pressure head mounting surface 11 is also provided with raised reinforcing blocks 17, and the reinforcing blocks 17 are positioned on two sides of the guide block 3.

In the present embodiment, the installation step 71 facilitates rapid positioning and installation of the side plate 1. The outer corner of the mounting frame is rounded, so that the protection of operators is facilitated, and the safety of the utility model is improved. The reinforcing block 17 serves to increase the overall strength of the side plate 1. In particular, the side plate 1 is preferably formed by processing a whole material, and the integrated side plate 1 structure is obtained after forming the grooves and the holes by a processing method for removing the material, so that the overall mechanical property of the side plate 1 is further improved.

Referring to fig. 10-13, according to the embodiment of the present utility model, a second installation groove 42 is formed by recessing a side of the ram block 4 near the guide block 3, a second countersunk hole 43 communicated with the second installation groove 42 is formed on a side of the ram block 4 far away from the guide block 3, a side of the guide block 3 far away from the guide rail 2 is accommodated in the second installation groove 42, a second threaded hole 31 corresponding to the second countersunk hole 43 is further formed on the guide block 3, and the ram block 4 is fixedly connected with the guide block 3 by penetrating the second countersunk hole 43 and extending into the second threaded hole 31 through a threaded connector.

In this embodiment, the second mounting groove 42 is used to realize quick positioning and mounting of the indenter block 4, and after the indenter block 4 is partially mounted in the receiving groove, the overall thickness of the indenter unit can be reduced, which is beneficial to further reducing the overall volume of the present utility model. The threaded connection is a countersunk screw, and the cooperation of the second countersunk hole 43 and the second threaded hole 31 is used for realizing the fixed connection of the pressure head block 4 and the guide block 3, wherein: the second countersunk holes 43 receive the heads of countersunk screws, avoiding the bulges.

According to the specific embodiment of the utility model, the bottom surface of the pressure head block 4 is provided with a convex pressure block 8, the bottom surface of the pressure block 8 is a pressing operation surface 81, and the shape of the pressing operation surface 81 is matched with the shape of a workpiece to be pressed; the area of the pressing work surface 81 is smaller than the area of the bottom surface of the indenter block 4.

In this embodiment, the ram block 4 and the press block 8 constitute a press-fitting member, and the area of the pressing work surface 81 is smaller than the area of the bottom surface of the ram block 4, that is, a necking structure is adopted therein. By adopting the structure, the whole volume of the pressure head block 4 can be ensured to be larger, and enough space is ensured to form a spring hole, a counter bore and a mounting groove on the pressure head block. The pressing blocks 8 are small in size and are just matched with small-sized workpieces to be pressed, so that a large number of workpieces to be pressed can be densely arranged below the pressing block, and gaps are reserved between the pressing blocks 8 when the pressing block is pressed down, so that each workpiece to be pressed is guaranteed to be pressed independently.

In specific implementation, the shape of the pressing block 8 can be correspondingly adjusted according to the requirements of products so as to press-fit products with various shapes. Therefore, the utility model not only can press-fit small workpieces, but also can be used for press-fitting large workpieces.

Referring to fig. 9, according to the embodiment of the present utility model, the top plate 7 is provided with third countersunk holes 72 at two ends thereof, the top of the side plate 1 is provided with a third threaded hole 16 matching with the third countersunk holes 72, and the top plate 7 is fixedly connected with the side plate 1 by penetrating the third countersunk holes 72 and extending into the third threaded hole 16 through a threaded connector.

According to an embodiment of the utility model, the linear drive 9 is a pneumatic or hydraulic or electric cylinder and the spring 5 is a compression spring.

Referring to fig. 12, in the present utility model, the thickness direction of the guide rail 2 is the X-axis direction; the width direction of the guide rail 2 is the Y-axis direction; the length direction of the guide rail 2 is the Z-axis direction.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; the connection may be mechanical connection, electrical connection, direct connection, indirect connection through an intermediate medium, communication between two elements, or "transmission connection", i.e. power connection by various suitable means such as belt transmission, gear transmission or sprocket transmission. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Claims (10)

1. The utility model provides a high accuracy many pressure heads isobaric pressure equipment device which characterized in that includes: the roof, be located roof upper portion and be used for driving the roof reciprocates the linear drive, be located the pressure head subassembly of roof lower part, the pressure head subassembly includes: the top of the side plate is fixed with the top plate, one side surface of the side plate is a pressure head mounting surface, the number of the pressure head units is n, and n is a natural number greater than 2; and n sets of the ram units are arranged on the ram mounting surface at intervals, wherein the ram units comprise: guide rail, guide block, pressure head piece and spring, guide rail fixed mounting in one side of curb plate, the guide block links to each other with the guide rail is slided, just the guide rail and the guide block constitute the slip guide structure of vertical setting, the opposite side and the pressure head piece of guide block are fixed to link to each other, the bottom of curb plate is equipped with and is used for preventing the guide block deviate from downwards the spacing step of guide rail, the both ends of spring respectively with pressure head piece and roof butt.

2. The high-precision multi-ram equal-pressure press-fitting device according to claim 1, wherein a spring groove formed by recessing is formed in the top of the ram block, the lower portion of the spring is accommodated in the spring groove, and the lower end of the spring is abutted to the bottom of the spring groove.

3. The high-precision multi-pressure head equal-pressure press-fitting device according to claim 2, wherein the number of the pressure head assemblies is two, the two pressure head assemblies are arranged at intervals and symmetrically on two sides of the top plate, and the pressure head mounting surfaces of two side plates in the two pressure head assemblies are arranged oppositely; the top plate and the two side plates jointly enclose a containing cavity with a downward opening, and the upper parts of all the pressure head units are positioned in the containing cavity.

4. The high-precision multi-pressure head equal-pressure press-fitting device according to claim 3, wherein n first mounting grooves are recessed in the pressure head mounting surface, a first threaded hole is formed in the bottom of each first mounting groove, one guide rail is mounted in each first mounting groove, a first countersink is formed in the position, corresponding to the first threaded hole, of each guide rail, and the guide rail is fixed on the side plate by penetrating through the first countersink and extending into the first threaded hole through a threaded connecting piece.

5. The high-precision multi-ram isostatic pressing device according to claim 4, wherein two sides of the guide rail in the thickness direction are respectively a mounting side and a guiding side, the mounting side is accommodated in the first mounting groove, the guiding side extends out of the first mounting groove, the guide block is sleeved outside the guiding side, one side surface of the guide block, which is close to the side plate, is abutted against the ram mounting surface, and the guide block is connected with the guiding side in a sliding manner; the guide block is characterized in that two ends of the width direction of the guide side are respectively provided with an arc-shaped groove formed by recessing, two sides of the guide block are provided with arc-shaped protrusions matched with the arc-shaped grooves, and the arc-shaped protrusions are arranged in the arc-shaped grooves.

6. The high-precision multi-pressure head equal-pressure press-fitting device according to claim 5, wherein two ends of the lower part of the top plate are respectively provided with a concave mounting step, the tops of two side plates are respectively abutted with the two mounting steps, the other side surface of the side plate is an outer alignment surface, and the outer alignment surface is aligned with the side surface of the top plate; the top plate and the two side plates jointly form a mounting frame, and the outer corners of the mounting frame are of round corner transition structures; the pressure head is characterized in that a convex reinforcing block is further arranged on the pressure head mounting surface and positioned on two sides of the guide block.

7. The high-precision multi-pressure head equal-pressure mounting device according to claim 6, wherein a second installation groove formed by recessing is formed in one side, close to the guide block, of the pressure head block, a second countersink communicated with the second installation groove is formed in one side, far away from the guide block, of the pressure head block, one side, far away from the guide rail, of the guide block is accommodated in the second installation groove, a second threaded hole corresponding to the second countersink is further formed in the guide block, and the pressure head block and the guide block are fixedly connected through penetrating through the second countersink and extending into the second threaded hole through a threaded connecting piece.

8. The high-precision multi-press head equal-pressure press-fitting device according to claim 7, wherein a convex press block is arranged on the bottom surface of the press head block, the bottom surface of the press block is a pressing operation surface, and the shape of the pressing operation surface is matched with the shape of a workpiece to be pressed; the area of the pressing operation surface is smaller than that of the bottom surface of the pressure head block.

9. The high-precision multi-pressure head equal-pressure press-fitting device according to claim 8, wherein third countersunk holes are respectively formed in two ends of the top plate, third threaded holes matched with the third countersunk holes are formed in the top of the side plate, and the top plate and the side plate are fixedly connected through threaded connecting pieces penetrating through the third countersunk holes and extending into the third threaded holes.

10. The high precision multiple ram equal pressure press fitting device of claim 9, wherein the linear drive is a cylinder or ram or an electric cylinder and the spring is a compression spring.